REVIEWING PSYCHOLOGICAL STATISTICS CONCEPTS Note: All participants are randomly assigned to the groups PROBLEM 4. The researcher conducted an experiment to determine whether the personality of the...

REVIEWING PSYCHOLOGICAL STATISTICS CONCEPTS

Note: All participants are randomly assigned to the groups

PROBLEM 4.
The researcher conducted an experiment to determine whether the personality of the teacher affects the test performance of high school students. He matched the participants according to the GPA prior random assignment to the experimental and control group. One group who were exposed to a strict teacher took a 50-item test and the same test was taken by those students who were exposed to the lenient teacher. He wanted to test the hypothesis at 0.05 level of significance.  The following results were gathered:

Extracted text: PROBLEM 4. The researcher conducted an experiment to determine whether the personality of the teacher affects the test performance of high school students. He matched the participants according to the GPA prior random assignment to the experimental and control group. One group who were exposed to a strict teacher took a 50-item test and the same test was taken by those students who were exposed to the lenient teacher. He wanted to test the hypothesis at 0.05 level of significance. The following results were gathered: SCORES OF THOSE WITH SCORES OF THOSE WITH STRICT TEACHER LENIENT TEACHER 33 27 34 26 36 28 32 45 36 24 29 27 40 26 29 25 38 28 34 29