A research study was conducted to assess the effectiveness of an 8-week GRE study preparation course (e.g., Kaplan) on GRE test scores. Six subjects were selected to participate in the study, and took the GRE test on three occasions, with the prep course employed for an eight week period starting
A research study was conducted to assess the effectiveness of an 8-week GRE study preparation course (e.g., Kaplan) on GRE test scores. Six subjects were selected to participate in the study, and took the GRE test on three occasions, with the prep course employed for an eight week period starting after the first study session (week 0). The dependent variable is the GRE score, with higher scores indicating better performance on the test.
|
GRE week 0 |
GRE week 4 |
GRE week 8 |
|
|
Subject 1 |
970 |
1070 |
1170 |
|
Subject 2 |
1030 |
1040 |
1230 |
|
Subject 3 |
1000 |
970 |
1290 |
|
Subject 4 |
940 |
1030 |
1110 |
|
Subject 5 |
1020 |
1110 |
1140 |
|
Subject 6 |
1110 |
1050 |
1200 |
1. What are the null and alternative hypotheses for the overall test?
2. Interpret the results of the SPSS output below (use α = .05). Describe the results in the context of the study and use APA format as appropriate. If the overall test is significant, be sure to conduct and report the results (in APA format) of any further tests as appropriate (use a total α = .05 for the set of follow-up tests)
Trending now
This is a popular solution!
Step by step
Solved in 5 steps
