A significance level of p

Question

A significance level of p < 0.05 in a validity study means ________.
A) that there are fewer than 5 chances in 100 of concluding there is a relationship in the population of job applicants, when in fact, there is not
B) that there are 5 chances in 100 of concluding that there is not a relationship in the population of job applicants, when in fact, there is
C) that the practical significance of the observed relationship is very low
D) that there are fewer than 5 chances in 100 that a predictor has adverse impact

Quizplus · Accepted Answer

A significance level of p < 0.05 means that the probability of concluding there is no relationship in the population when there actually is one is less than 5%, or fewer than 5 chances in 100. This is the standard cutoff for statistical significance in many fields, including psychology and social sciences.

A Significance Level of P < 0