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In an era characterized by unprecedented access to information, the ability to critically evaluate what we encounter has become one of the most essential skills for success in education, professional life, and civic engagement. Our current information ecosystems are beset by challenges around misinformation, filter bubbles, manipulative algorithms, and, increasingly, generative AI, making the need for robust critical evaluation techniques more urgent than ever. This comprehensive guide explores the multifaceted approaches to transforming assumptions into actionable insights through systematic information evaluation.

Understanding Critical Evaluation in the Modern Context

Critical thinking is the intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication, as a guide to belief and action. This definition, established by Scriven and Paul in 1987, remains remarkably relevant today, even as the information landscape has transformed dramatically.

Critical thinking is one of the most important skills because it relates to nearly all tasks, situations, topics, careers, environments, challenges, and opportunities, and it is a "domain-general" thinking skill, not one that is specific to a particular subject area. This universality makes critical evaluation an indispensable competency across all disciplines and contexts.

Critical thinking is not an inherent skill; it is cultivated over time through education in a variety of environments and enriched by diverse experiences, opening up new perspectives and empowering individuals to analyze, reason, and engage with the world more thoughtfully and effectively. Understanding this developmental nature helps both educators and learners approach critical evaluation with patience and intentionality.

The Core Components of Critical Evaluation

Analysis, Evaluation, and Inference

Critical thinking operates through three core skills: analysis, evaluation, and inference. These interconnected abilities form the foundation of effective information assessment:

  • Analysis: Breaking down complex information into component parts to understand structure, relationships, and underlying patterns
  • Evaluation: Assessing the quality, credibility, and relevance of information sources and claims
  • Inference: Drawing logical conclusions based on evidence and reasoning

Each of these skills requires deliberate practice and application across various contexts. Understanding a concept from multiple angles and perspectives is crucial, as different disciplines and situations may require different analytical approaches.

Essential Characteristics and Dispositions

Evaluating sources, considering multiple perspectives, and questioning or being skeptical were mentioned most often by librarians when describing critical thinking characteristics. Beyond technical skills, critical evaluation requires certain habits of mind and dispositions:

  • Intellectual Curiosity: Critical thinkers are usually curious and reflective people who like to explore and probe new areas and seek knowledge, clarification, and new solutions
  • Skepticism: Many librarians described critical thinking as involving a sense of skepticism or a questioning attitude, emphasizing it as "the habit of mind that you almost do without thinking that leads you to question and reflect on information you encounter"
  • Open-mindedness: Willingness to consider alternative viewpoints and revise conclusions based on new evidence
  • Intellectual Humility: Recognizing the limits of one's own knowledge and being open to learning

Comprehensive Frameworks for Source Evaluation

The CRAAP Test: A Systematic Approach

The CRAAP Test is a systematic tool designed to evaluate the reliability of information sources, with the acronym "CRAAP" standing for Currency, Relevance, Authority, Accuracy, and Purpose, developed by Sarah Blakeslee and librarians at California State University, Chico, in 2004. This framework has become widely adopted in educational settings for its accessibility and comprehensive approach.

Currency: Assessing Timeliness

Currency examines the timeliness of a source to ensure it is up-to-date. When evaluating currency, consider:

  • When was the information published or last updated?
  • Does your topic require current information, or are older sources acceptable?
  • Have newer developments superseded the information presented?
  • Are links and references still functional and relevant?

The importance of currency varies significantly by discipline. Scientific and technological fields often require the most recent information, while historical or philosophical topics may benefit from both contemporary and classic sources.

Relevance: Determining Appropriateness

Relevance assesses how suitable the information is for a specific research topic. Key questions include:

  • Does the information directly address your research question or topic?
  • Is the content at an appropriate level for your needs?
  • Who is the intended audience for this source?
  • Have you examined multiple sources before selecting this one?
  • Would you feel confident citing this source in academic or professional work?

Authority: Evaluating Expertise

Authority focuses on the credibility and expertise of the author or organization behind the source. Investigating authorship involves examining the author's qualifications, credentials, and expertise in the subject area. Consider:

  • What are the author's credentials and educational background?
  • Has the author published other works on this topic?
  • Is the author affiliated with a reputable institution or organization?
  • Can you verify the author's identity and contact information?
  • What is the reputation of the publisher or platform?

The publisher's reputation matters significantly. Academic presses, peer-reviewed journals, and established media organizations typically maintain rigorous editorial standards, while self-published or unknown sources require additional scrutiny.

Accuracy: Verifying Truthfulness

Accuracy involves verifying the truthfulness of the information through cross-referencing and checking for biases. Determining the accuracy of a source means taking a close look at the references the source cites, the evidence it presents, whether it contains any biased language, whether there are spelling or grammatical errors, and whether the information it contains can be verified elsewhere.

  • Are claims supported by evidence and documentation?
  • Can you verify the information through other credible sources?
  • Does the source cite its references appropriately?
  • Is the language objective or emotionally charged?
  • Are there obvious errors in spelling, grammar, or facts?
  • Does the author acknowledge limitations or alternative viewpoints?

Purpose: Understanding Intent

When evaluating the purpose of a source, it is necessary to think about why it was written in the first place. Understanding the author's motivation helps identify potential biases or limitations:

  • Is the purpose to inform, persuade, entertain, or sell?
  • Are there commercial, political, religious, or ideological motivations?
  • Does the source present balanced coverage or advocate for a particular position?
  • Are advertisements clearly distinguished from content?
  • Who benefits from this information being disseminated?

Limitations and Alternatives to the CRAAP Test

While the CRAAP Test has proven valuable, checklists like CRAAP focus students on a website's most easily manipulated features and also lock the student into looking only at the site they are evaluating. In recent years the dissemination of mis- and disinformation online has become increasingly sophisticated and prolific, so restricting analysis to a single website's content without understanding how the site relates to a wider scope now has the potential to facilitate the acceptance of misinformation as fact.

Lateral Reading: A Complementary Approach

Lateral reading is a fact-checking method to find and compare multiple sources of information on the same topic or event, contrasting with the "vertical reading" approach of the CRAAP method. Historians and students more often fell victim to easily manipulated features of websites, like official looking logos and domain names, while fact checkers arrived at more warranted conclusions in a fraction of the time.

Lateral reading involves:

  • Opening multiple browser tabs to investigate claims
  • Searching for information about the source rather than just within it
  • Consulting fact-checking websites and expert sources
  • Comparing how different sources cover the same topic
  • Investigating the reputation and funding of organizations

The SIFT Method

Mike Caulfield has emphasized an alternative approach using step-by-step heuristics that can be summarized by the acronym SIFT: "Stop; Investigate the source; Find better coverage; Trace claims, quotes, and media to the original context". This method emphasizes quick, efficient verification strategies that professional fact-checkers use.

Advanced Techniques for Content Analysis

Identifying Bias and Objectivity

Recognizing bias requires careful attention to language, framing, and omissions. When analyzing content for objectivity, examine:

  • Language Choice: Does the author use neutral terminology or loaded language that reveals a particular stance?
  • Source Selection: Which voices and perspectives are included or excluded?
  • Framing: How is the issue presented? What aspects receive emphasis?
  • Evidence Presentation: Are counterarguments acknowledged and fairly represented?
  • Logical Fallacies: Does the argument rely on faulty reasoning or emotional appeals?

Look for examples of plagiarism, exaggeration, prejudice, or bias in the source, and consider whether the author jumps to conclusions too quickly or acknowledges and fairly assesses alternate perspectives and possibilities. Watch out for simplistic yes/no and either/or thinking.

Contextual Analysis

Context profoundly shapes how information should be interpreted and evaluated. Comprehensive contextual analysis considers multiple dimensions:

Historical Context

Understanding when information was created helps explain perspectives, methodologies, and conclusions that may differ from contemporary standards. Consider:

  • What events or circumstances influenced the creation of this source?
  • How have understandings of this topic evolved over time?
  • Were certain research methods or technologies unavailable when this was written?
  • What assumptions were common during this period?

Cultural Context

Cultural influences shape how information is gathered, interpreted, and presented:

  • From what cultural perspective is the author writing?
  • Are there cultural assumptions embedded in the analysis?
  • How might this topic be understood differently in other cultural contexts?
  • Does the source acknowledge its cultural positioning?

Disciplinary Context

Different academic disciplines approach and interpret critical thinking differently. Understanding disciplinary conventions helps evaluate sources appropriately:

  • What methodologies are standard in this field?
  • What types of evidence are considered most credible?
  • How do citation practices vary across disciplines?
  • What theoretical frameworks inform this work?

Critical Evaluation in the Age of Artificial Intelligence

Most classrooms that use AI in 2026 are teaching students how to use it, but fewer are teaching students how to question it. There's a significant gap between a student who can write a good prompt and a student who can look at the output and ask: whose perspective shaped this? That gap is the space between AI literacy and critical AI literacy, and it's where the real educational work needs to happen.

Understanding AI-Generated Content

"What does it mean that AI predicts the next word, not understands the question?" is a question that reframes the entire relationship between the student and the tool, and once a student understands that the model is generating statistically probable sequences, not reasoning through a problem, they approach the output differently, treating it as a draft rather than an authority.

When evaluating AI-generated or AI-assisted content, consider:

  • What training data influenced this output?
  • Whose perspectives are represented or absent?
  • Are there factual errors or "hallucinations"?
  • How current is the information?
  • What biases might be embedded in the model?
  • Can claims be verified through other sources?

Cognitive Offloading and Critical Thinking

The term "cognitive surrender" describes what happens when students stop doing their own cognitive work because a tool does it faster. This phenomenon represents a significant challenge for maintaining critical thinking skills in an AI-augmented environment.

To maintain critical engagement while using AI tools:

  • Use AI outputs as starting points for investigation, not final answers
  • Verify AI-generated information through multiple independent sources
  • Reflect on your own thinking process before and after consulting AI
  • Compare AI outputs from different tools or prompts
  • Maintain awareness of when you're delegating cognitive work

Practical Applications in Educational Settings

Integrating Critical Evaluation into Curriculum

With the development and increasing use of the ACRL Framework for Information Literacy, which emphasizes higher-order thinking concepts, academic librarians may have a significant role to play in helping to reinforce and/or develop the critical thinking skills of college students, especially for first-year students who are still developing cognitively and building a foundation upon which to cultivate their research skills.

Research Projects and Assignments

Effective research assignments should explicitly incorporate critical evaluation components:

  • Source Evaluation Logs: Require students to document their evaluation process for each source, explaining why they included or excluded particular materials
  • Annotated Bibliographies: Have students not only summarize sources but critically analyze their credibility, bias, and relevance
  • Comparative Analysis: Ask students to examine how different sources approach the same topic, identifying variations in perspective, methodology, and conclusions
  • Fact-Checking Exercises: Provide students with claims to verify using lateral reading and multiple source consultation

Active Learning Strategies

The most common teaching strategies mentioned were active learning, questioning/Socratic method strategies, and asking students to articulate their thought processes. Effective active learning approaches include:

  • Think-Aloud Protocols: Model your own critical evaluation process by verbalizing your thinking as you assess sources
  • Peer Review: Have students evaluate each other's source selections and provide feedback on evaluation criteria
  • Debates and Discussions: Use structured debates to help students analyze different perspectives and evaluate the credibility of arguments from multiple viewpoints
  • Case Studies: Present real-world examples of misinformation or biased reporting and have students work through evaluation processes

Media Literacy Integration

Studies have shown that media and information literacy (MIL) significantly enhances students' critical thinking skills, with research involving students from an educational faculty demonstrating that MIL enabled them to better understand and critique media content, with 81% of students showing an acceptable level of critical thinking, suggesting that MIL can effectively equip students with the skills needed to navigate and interpret complex media messages.

Comprehensive media literacy programs should address:

  • How media messages are constructed and for what purposes
  • Techniques for identifying sponsored content and native advertising
  • Understanding algorithms and filter bubbles in social media
  • Recognizing manipulation tactics in visual media
  • Evaluating the credibility of online news sources
  • Understanding the economics of digital media and attention

Digital Literacy and Information Fluency

Digital literacy encompasses a range of skills necessary for effective use of digital technologies, including the ability to locate, evaluate, and synthesize information, while critical thinking involves analyzing and evaluating information to make reasoned judgments, and the intersection of these two skill sets is crucial in today's information-rich society, where the ability to critically assess digital content is essential.

The implementation of digital classrooms has been found to foster critical thinking and information literacy, with a study conducted in Hong Kong with secondary school students revealing that the use of digital tools in a flipped classroom setting led to significant improvements in both domain knowledge and critical thinking skills, indicating that integrating digital literacy into everyday learning can enhance students' ability to critically evaluate information.

Building Information Fluency

Online learning platforms play a pivotal role in developing students' information fluency, with research showing that these platforms are effective in improving students' abilities to locate, evaluate, and synthesize digital information, and this improvement in information fluency directly contributes to better critical thinking and information evaluation skills.

Developing information fluency requires:

  • Proficiency with search strategies and database navigation
  • Understanding of how search engines rank and display results
  • Ability to evaluate digital sources quickly and efficiently
  • Skills in synthesizing information from multiple digital sources
  • Competence in managing and organizing digital information
  • Ethical understanding of information use and attribution

Overcoming Barriers to Critical Evaluation

Addressing Information Overload

The sheer volume of available information can overwhelm even experienced researchers, leading to hasty judgments and superficial evaluation. Strategies for managing information overload include:

  • Strategic Filtering: Develop clear criteria for source selection before beginning research
  • Time Management: Allocate specific time for thorough evaluation rather than rushing through sources
  • Prioritization: Focus on the most relevant and credible sources rather than attempting to review everything available
  • Note-Taking Systems: Implement organized systems for tracking sources and evaluation decisions
  • Iterative Refinement: Recognize that source evaluation is an ongoing process that improves with practice

Recognizing and Countering Confirmation Bias

Confirmation bias—the tendency to favor information that aligns with pre-existing beliefs—represents one of the most significant obstacles to objective evaluation. Individuals may unconsciously seek out sources that support their views while dismissing contradictory evidence.

Strategies for countering confirmation bias include:

  • Deliberate Exposure: Actively seek out sources representing different perspectives
  • Devil's Advocate: Intentionally argue against your own position to identify weaknesses
  • Peer Consultation: Discuss your findings with others who may hold different views
  • Metacognitive Reflection: Regularly examine your own reasoning processes and assumptions
  • Structured Evaluation: Use systematic frameworks like CRAAP to ensure consistent evaluation criteria

Building Digital Literacy Skills

Not all students possess the necessary skills to navigate digital sources effectively. The processes involved in critical thinking often do not come naturally to students, particularly when it comes to tasks like writing a paper or completing discipline-specific assessments, therefore students must be directly exposed to the various elements of critical thinking tasks, and educators should not assume that a student knows how to perform a task simply because it has been assigned.

Scaffolded instruction should include:

  • Explicit instruction in digital research tools and techniques
  • Guided practice with increasingly complex evaluation tasks
  • Modeling of expert evaluation processes
  • Opportunities for feedback and revision
  • Progressive development from simple to sophisticated sources

Assessment and Metacognition

Evaluating Critical Thinking Development

Assessing critical evaluation skills requires moving beyond simple right/wrong answers to examine the quality of reasoning and decision-making processes. Effective assessment strategies include:

  • Process Documentation: Require students to document their evaluation process, not just final source selections
  • Reflective Writing: Ask students to explain their reasoning and decision-making criteria
  • Performance Tasks: Present authentic evaluation challenges that mirror real-world information assessment
  • Rubrics: Develop detailed rubrics that articulate expectations for different levels of critical evaluation
  • Self-Assessment: Incorporate opportunities for students to evaluate their own critical thinking development

Metacognitive Strategies

Metacognition—thinking about one's own thinking—plays a crucial role in developing sophisticated critical evaluation skills. Encouraging metacognitive awareness involves:

  • Reflection Prompts: Regular questions that ask students to examine their own reasoning processes
  • Learning Journals: Ongoing documentation of insights, challenges, and growth in critical thinking
  • Strategy Awareness: Explicit discussion of different evaluation strategies and when to apply them
  • Error Analysis: Examining mistakes and misunderstandings as learning opportunities
  • Goal Setting: Helping students identify specific areas for improvement in their critical evaluation skills

Specialized Contexts for Critical Evaluation

Evaluating Scientific and Technical Information

Scientific and technical sources require specialized evaluation approaches:

  • Peer Review Status: Determine whether research has undergone peer review and in what type of publication
  • Methodology Assessment: Evaluate the appropriateness and rigor of research methods
  • Sample Size and Significance: Consider whether findings are based on adequate data
  • Replication: Check whether results have been replicated by independent researchers
  • Conflicts of Interest: Investigate funding sources and potential financial conflicts
  • Consensus: Understand how findings relate to broader scientific consensus

Evaluating Visual and Multimedia Content

Images, videos, and multimedia content require distinct evaluation approaches:

  • Provenance: Trace the origin and history of visual content
  • Manipulation Detection: Look for signs of editing, cropping, or alteration
  • Context Verification: Confirm when, where, and why visual content was created
  • Reverse Image Search: Use tools to find the original source and other uses of images
  • Technical Analysis: Examine metadata and technical properties when available

Evaluating Social Media Content

A study by the Stanford History Education Group reported that some issues were found in the habits of middle school, high school, and college students when using the CRAAP test, with results showing that students when sourcing social media posts, photographs and articles rarely look deeper into their sources and did not second guess themselves with evaluating its purpose or bias.

Social media content requires particular vigilance:

  • Verify the authenticity of accounts and profiles
  • Check for verification badges and account history
  • Examine engagement patterns for signs of manipulation
  • Trace claims back to original sources
  • Be aware of coordinated inauthentic behavior
  • Consider the platform's algorithmic influences

Collaborative Approaches to Information Evaluation

Collective Intelligence and Crowdsourced Verification

While individual critical evaluation skills are essential, collaborative approaches can enhance accuracy and efficiency:

  • Peer Review: Multiple evaluators can identify issues that individuals might miss
  • Distributed Expertise: Different team members may bring specialized knowledge to evaluation
  • Fact-Checking Communities: Organized groups dedicated to verifying claims and debunking misinformation
  • Collaborative Annotation: Tools that allow multiple users to comment on and evaluate sources together
  • Knowledge Sharing: Building repositories of evaluated sources and evaluation criteria

Institutional and Systemic Approaches

Beyond individual skills, institutions can support critical evaluation through:

  • Curated databases and vetted source collections
  • Librarian consultation services for complex evaluation questions
  • Institutional subscriptions to fact-checking services
  • Professional development for educators in information literacy
  • Campus-wide information literacy standards and expectations

Ethical Dimensions of Information Evaluation

Responsible Information Sharing

Critical evaluation carries ethical responsibilities:

  • Verification Before Sharing: Evaluate information before amplifying it to others
  • Correction of Errors: Acknowledge and correct mistakes when you've shared inaccurate information
  • Transparent Uncertainty: Clearly communicate when information is uncertain or contested
  • Respectful Disagreement: Engage with different perspectives constructively
  • Privacy Considerations: Respect privacy when evaluating and sharing information about individuals

Information Justice and Equity

Critical evaluation should consider issues of representation and access:

  • Whose voices and perspectives are included or excluded?
  • How do power dynamics influence what information is available and credible?
  • Are there barriers preventing certain groups from accessing or contributing information?
  • How can evaluation practices promote rather than reinforce inequities?
  • What responsibilities do we have to amplify marginalized perspectives?

Future Directions and Emerging Challenges

Adapting to Evolving Information Ecosystems

By engaging with critical thinking, contextual learning, and reflective practice, we can approach information literacy in a way that is both grounded in our present information ecosystems and adaptive to future changes to those ecosystems. The information landscape continues to evolve rapidly, requiring ongoing adaptation of evaluation strategies.

Emerging challenges include:

  • Increasingly sophisticated deepfakes and synthetic media
  • Personalized information environments and filter bubbles
  • Rapid spread of misinformation through social networks
  • Declining trust in traditional authoritative sources
  • Proliferation of AI-generated content
  • Cross-platform information manipulation campaigns

Lifelong Learning and Continuous Development

Critical evaluation is not a skill mastered once and for all, but rather a practice requiring continuous refinement:

  • Stay informed about new forms of misinformation and manipulation
  • Update evaluation strategies as technologies and platforms evolve
  • Engage with professional development opportunities
  • Participate in communities of practice focused on information literacy
  • Reflect regularly on your own evaluation processes and biases
  • Remain open to revising conclusions based on new evidence

Practical Tools and Resources

Fact-Checking Websites and Services

Numerous organizations provide fact-checking services that can support evaluation efforts:

  • Snopes.com for general fact-checking and debunking urban legends
  • FactCheck.org for political claims and policy analysis
  • PolitiFact for political statements and campaign promises
  • Media Bias/Fact Check for evaluating news source reliability and bias
  • International Fact-Checking Network members for global coverage

Browser Extensions and Digital Tools

Technology can assist with information evaluation:

  • NewsGuard for website credibility ratings
  • InVID for video verification
  • Google Reverse Image Search for tracing image origins
  • Wayback Machine for viewing historical versions of websites
  • Citation management tools for organizing and tracking sources

Educational Resources

Numerous organizations provide educational materials for developing critical evaluation skills:

  • The News Literacy Project offers free resources for educators and students
  • Stanford History Education Group provides civic online reasoning curriculum
  • ACRL Framework for Information Literacy guides academic library instruction
  • Common Sense Media offers digital citizenship curricula
  • UNESCO Media and Information Literacy resources support global education

Implementing a Personal Critical Evaluation Practice

Developing Your Evaluation Routine

Building consistent critical evaluation habits requires intentional practice:

  • Pause Before Sharing: Make it a habit to verify information before forwarding or posting
  • Diversify Sources: Regularly consult sources from different perspectives and outlets
  • Question Assumptions: Actively examine your own beliefs and how they influence your evaluation
  • Document Your Process: Keep notes on how you evaluated important sources
  • Seek Feedback: Discuss your evaluations with others to identify blind spots
  • Reflect Regularly: Periodically review your evaluation decisions and learn from mistakes

Creating an Evaluation Checklist

Develop a personalized checklist adapted to your specific needs and context:

  • What is the source and who created it?
  • When was it published and is that timing significant?
  • What evidence supports the claims?
  • Can I verify this information elsewhere?
  • What might be the creator's motivation or bias?
  • Who is the intended audience?
  • What perspectives or information might be missing?
  • How does this fit with what I already know?
  • What would an expert in this field think?
  • Am I comfortable citing or sharing this source?

Conclusion: From Assumptions to Insights

The journey from assumptions to insights requires deliberate cultivation of critical evaluation skills. Research clearly indicates that digital literacy is integral to developing critical thinking and information evaluation skills, and whether through media and information literacy, digital classrooms, online learning platforms, inquiry-based learning, or digital storytelling, enhancing digital literacy equips individuals with the necessary tools to critically assess and utilize digital information effectively.

In our complex information environment, critical evaluation is not merely an academic exercise but an essential life skill. It empowers individuals to make informed decisions, participate meaningfully in democratic processes, and navigate personal and professional challenges with confidence. By implementing systematic evaluation frameworks, developing metacognitive awareness, and maintaining intellectual humility, we can transform the overwhelming flood of information into actionable insights.

The techniques and frameworks discussed in this article—from the CRAAP Test to lateral reading, from understanding AI-generated content to recognizing cognitive biases—provide a comprehensive toolkit for critical evaluation. However, these tools are most effective when combined with the dispositions of curiosity, skepticism, and open-mindedness that characterize critical thinkers.

As educators, students, and lifelong learners, we must commit to continuous development of these skills. A contextualized approach can equip students with information literacy skills that emphasize both critical thinking and reflection, with the overarching goal of exploring approaches to information literacy that respond to current trends and challenges in our information ecosystems and considering how new teaching approaches can equip learners to better navigate our complex information ecosystems.

The ability to critically evaluate information is not just about avoiding misinformation—though that is certainly important. It is about developing the intellectual independence to form well-reasoned conclusions, the analytical capacity to understand complex issues from multiple perspectives, and the wisdom to recognize the limits of our own knowledge. These capabilities prepare us not only for academic success but for meaningful participation in an increasingly complex world.

By embracing critical evaluation as an ongoing practice rather than a one-time skill acquisition, we position ourselves to adapt to whatever new challenges and opportunities emerge in our evolving information landscape. The transformation from assumptions to insights is not a destination but a continuous journey of intellectual growth and development.

For additional resources on critical thinking and information literacy, visit the ACRL Framework for Information Literacy, explore fact-checking resources at The International Fact-Checking Network, learn about media literacy at The News Literacy Project, access digital citizenship resources at Common Sense Education, and review Stanford's civic online reasoning curriculum at Civic Online Reasoning.