Psychology Capsules
4 capsules

Cognitive Biases: Shortcuts, Risks, and Decision Errors
People often rely on mental shortcuts that shape how they judge situations, estimate risks, and make choices. These shortcuts include biases like anchoring on the first number heard, fearing losses more than valuing gains, overestimating abilities, and favoring information that confirms existing beliefs. Recognizing these common patterns helps explain why decisions sometimes stray from rational thinking.

Probability Judgment: Biases, Base Rates, and Bayesian Fixes
Human instinct routinely botches probability, from the gambler's fallacy to ignoring base rates. These reasons range from stubborn cognitive biases and how badly we encode randomness to systematic fixes like Bayesian updating that override the guesswork. You can decide which explanations and tools help you think more clearly about chance.

Astrology and Evidence: Testing, Bias, and Self-Reflection
Astrology keeps failing rigorous tests of predictive power, yet millions still organize their lives around it. These views span the science that debunks it, the cognitive biases that sustain belief, and the case for horoscopes as tools for self-reflection rather than prediction. Weighing them shows what astrology can't do and what it still does for people anyway.

Power Posing and Confidence: Evidence, Replication, and Practical Limits
Power posing became a popular claim about confidence, hormones, and behavior, but later replication efforts sharply narrowed what the evidence can support. This overview explains the original findings, the methodological disputes, and the difference between measurable effects and subjective confidence. Readers will learn where posture-based confidence techniques may be useful, where the science remains weak, and how to apply such tools without overstating their power.