Explore Capsules

7 capsules

SAT and ACT Fairness: Inequality, Diversity, and Admissions Tradeoffs

SAT and ACT Fairness: Inequality, Diversity, and Admissions Tradeoffs

Whether standardized tests reward real ability or just mirror the money and schooling a student had shapes who gets into college. These views span tests as a symptom of deeper inequality, test-optional policies as a diversity fix, the legal fallout after the Court banned race-conscious admissions, and the messy trade-offs of dropping the tests at all. Explore them to form your own read on fairness.

Standardized testing · 77 stops · ~154 minFree
Structured Interviews: Fairer Hiring Beyond Cultural Fit

Structured Interviews: Fairer Hiring Beyond Cultural Fit

Structured interviews with standardized questions and scoring are proven to predict job performance far better than unstructured interviews that rely on subjective cultural fit judgments. The common practice of hiring for cultural fit often masks bias and discrimination, disadvantaging diverse candidates. By focusing on objective, job-related criteria through structured interviews, employers can reduce bias and make fairer, more accurate hiring decisions.

Hiring bias · 86 stops · ~172 minFree
Self-Testing and Memory: Evidence, Feedback, and Study Choices

Self-Testing and Memory: Evidence, Feedback, and Study Choices

Rereading notes feels productive, but testing yourself locks learning in far more effectively. These findings cover the memory boost from active recall and feedback, the study designs and statistics used to measure it, and debates over how widely the effect holds across learners and material. You can decide how to study for what actually sticks.

Testing effect · 101 stops · ~202 minFree
An Educator's Guide to Spaced and Retrieval Practice

An Educator's Guide to Spaced and Retrieval Practice

Much of what schools and parents assume about learning, including learning styles, doesn't survive testing. These strategies center on what does: spacing practice over time, recalling material instead of rereading it, and lesson designs backed by experiments. Comparing them shows where to put effort so kids actually remember what they learn.

Learning strategies · 78 stops · ~156 minFree
Gut Microbiome Testing: Reliability, Regulation, and Diet Decisions

Gut Microbiome Testing: Reliability, Regulation, and Diet Decisions

Despite popular marketing, gut microbiome tests lack FDA approval and clinical reliability, making them unsuitable for diagnosing conditions or guiding diet changes. The mainstream hype suggests these tests offer personalized health insights, but experts warn against making lifestyle or medical decisions without professional advice. Following this cautious approach helps avoid ineffective or potentially harmful self-prescribed treatments based on unproven test results.

Gut health · 63 stops · ~126 minFree
Grade Retention Alternatives: Literacy Support, Tutoring, and Progress Monitoring

Grade Retention Alternatives: Literacy Support, Tutoring, and Progress Monitoring

Repeating a grade feels like a second chance, but the evidence says it often makes things worse. These interventions offer what works instead: early literacy help, tutoring, and progress monitoring that catches struggles before retention is on the table. They differ on timing and method, and together they explain why strict hold-back policies backfire.

Grade retention · 82 stops · ~164 minFree
Induction Cooking: Cleaner Kitchens and Better Performance Than Gas

Induction Cooking: Cleaner Kitchens and Better Performance Than Gas

Despite the widespread use of gas stoves, performance data and standardized testing show that induction cooking not only delivers better cooking results but also significantly improves indoor air quality. Unlike gas stoves, which emit harmful pollutants that can damage health, induction cooktops paired with direct venting systems effectively remove cooking pollutants, making kitchens safer and cleaner. Switching to induction cooking with proper ventilation transforms your cooking environment by reducing pollution and enhancing performance.

Induction cooking · 61 stops · ~122 minFree