Latest / Professor Peterson’s Psychology Classroom
Behind the Numbers: Hypotheses, Errors, and What Statistics Really Tell Us
This episode introduces core quantitative methods in psychology: descriptive vs. experimental approaches, independent and dependent variables, null and alternative hypotheses, and Type I/II errors.
It explains key statistical concepts—normal distribution and standard deviation, correlation and linear regression, mediation and moderation—and clarifies p-values, effect sizes, and the replication problem using examples like study time vs. grades and social support moderating stress and depression.
Takeaway: look beyond statistical significance—check sample details, effect sizes, and replication…
The skinny
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