One correct option. Pick, then check.
Reaction time of 400 ms is twice as fast as 800 ms. The statement is valid because RT is on which scale?
Correct frequentist interpretation of a 95% CI:
A researcher reports p = 0.03. Which statement is correct?
Three independent groups, normality severely violated. Test?
The Central Limit Theorem states:
Mauchly's test of sphericity is most relevant for:
A scale always reading 5 kg above true weight is:
Bonferroni correction with m = 10 tests at FW α = 0.05 sets per-test α to:
R command for P(≤ 6 heads in 10 fair flips):
Bayesian posterior is proportional to:
Pearson r = 0 between two variables. Correct conclusion?
df for χ² independence in a 2×3 table:
Tiny effect, p < 0.001, n = 50,000. Conclude:
NOT a measure of central tendency:
Regression with R² = 0.4 means:
Sphericity violation in RM-ANOVA is corrected by:
Bayes Factor BF₁₀ = 8 indicates:
Best sampling method to ensure rare subgroups are represented:
A scree plot is used in:
Failing to reject H₀ when H₀ is false:
In logistic regression, β = 0.7. The odds ratio is:
VIF > 10 for a predictor indicates:
Anscombe's quartet teaches:
BF₀₁ = 25 implies:
Cohen's d = 0.5 is conventionally interpreted as:
Binomial(n=20, p=0.5) has mean and variance:
Sample variance s² is computed by dividing by:
Comparing two correlated proportions (same people, two yes/no items):
Cronbach's α is a measure of:
Power analyses are typically performed: