A researcher was interested in comparing maths scores by gender and used a t-test to do so.  The mean for males was 66.25 and the mean for females was 78.24, with both groups having a standard deviation of 7.  What is the effect size using Cohen’s d?

A. 1.7
B. 0
C. 1.712
D. -1.712


Answer: C

Education

You might also like to view...

A classroom computer area should

a. be in an area away from direct light. b. be near an electrical outlet. c. have space for at least two children. d. All of these answers.

Education

There is NO direct correlation between classroom management problems and how well prepared the teacher is

Indicate whether this statement is true or false.

Education

Under what circumstances does an ethical dilemma arise?

__________________ Fill in the blank(s) with correct word

Education

A _____ is an additional stimulus that increases the probability that an SD will occasion

the desired response. a. Concept b. Reinforcer c. Consequence d. Prompt

Education