Which of the following is the criterion that psychologists usually use to determine the likelihood that a sample mean was obtained by chance?
A)p = 0.005
B)p = 0.05
C)p = 0.50
D)p = 0.01

Question

Quizplus · Accepted Answer

Psychologists typically use a p-value of 0.05 as the criterion to determine the likelihood that a sample mean was obtained by chance, indicating a 5% probability that the observed results occurred by random chance.

Which of the Following Is the Criterion That Psychologists Usually