A research methods student finds a large difference between the mean scores for two groups (d = 1.00) for a sample of 100. Does she reject the null hypothesis?
A) yes
B) no
C) maybe
D) It is impossible to say.

Question

Quizplus · Accepted Answer

A large difference of d = 1.00 between the means for two groups with a sample size of 100 is likely to result in a significant difference and rejection of the null hypothesis, especially if the appropriate statistical tests and significance level are used. Therefore, the student should reject the null hypothesis.

A Research Methods Student Finds a Large Difference Between the Mean