Professor Granger wants to know if graduate students' grades were higher in some classes than others. Every student took all 3 classes, so it allows for a straightforward comparison. (Remember to report any significant main effects & any significant interactions in the first sentence)

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Author:Amos Gilat
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Professor Granger wants to know if graduate students' grades were higher in some
classes than others. Every student took all 3 classes, so it allows for a straightforward
comparison.
(Remember to report any significant main effects & any significant
interactions in the first sentence)
Measure: MEASURE_1
Туре III Sum
of Squares
df
Mean Square
F
Sig.
Source
Grades
Sphericity Assumed
176.217
88.108
18.788
.000
Greenhouse-Geisser
176.217
1.952
90.253
18.788
.000
Huynh-Feldt
176.217
2.000
88.108
18.788
.000
Lower-bound
176.217
1.000
176.217
18.788
.000
Error(Grades) Sphericity Assumed
365.783
78
4.690
Greenhouse-Geisser
365.783
76.146
4.804
Huynh-Feldt
365.783
78.000
4.690
Lower-bound
365.783
39.000
9.379
Estimates
Measure: MEASURE_1
95% Confidence Interval
Upper Bound
Mean
Std. Error
Lower Bound
factor1
Experimental
6.375
.387
5.593
7.157
Statistics
8.275
.467
7.331
9.219
Social
9.300
.407
8.477
10.123
Pairwise Comparisons
Measure: MEASURE_1
Mean
Difference (I-
J)
Std. Error
(1) factor1
Experimental
(J) factor1
Sig.
-1.900
-2.925
Statistics
.457
.001
Social
.474
.000
Statistics
Experimental
1.900
.457
.001
Social
-1.025
.519
.167
Social
Experimental
2.925
.474
.000
Statistics
1.025
.519
.167
Based on estimated marginal means
*. The mean difference is significant at the .05 level.
b. Adjustment for multiple comparisons: Bonferroni.
Transcribed Image Text:Professor Granger wants to know if graduate students' grades were higher in some classes than others. Every student took all 3 classes, so it allows for a straightforward comparison. (Remember to report any significant main effects & any significant interactions in the first sentence) Measure: MEASURE_1 Туре III Sum of Squares df Mean Square F Sig. Source Grades Sphericity Assumed 176.217 88.108 18.788 .000 Greenhouse-Geisser 176.217 1.952 90.253 18.788 .000 Huynh-Feldt 176.217 2.000 88.108 18.788 .000 Lower-bound 176.217 1.000 176.217 18.788 .000 Error(Grades) Sphericity Assumed 365.783 78 4.690 Greenhouse-Geisser 365.783 76.146 4.804 Huynh-Feldt 365.783 78.000 4.690 Lower-bound 365.783 39.000 9.379 Estimates Measure: MEASURE_1 95% Confidence Interval Upper Bound Mean Std. Error Lower Bound factor1 Experimental 6.375 .387 5.593 7.157 Statistics 8.275 .467 7.331 9.219 Social 9.300 .407 8.477 10.123 Pairwise Comparisons Measure: MEASURE_1 Mean Difference (I- J) Std. Error (1) factor1 Experimental (J) factor1 Sig. -1.900 -2.925 Statistics .457 .001 Social .474 .000 Statistics Experimental 1.900 .457 .001 Social -1.025 .519 .167 Social Experimental 2.925 .474 .000 Statistics 1.025 .519 .167 Based on estimated marginal means *. The mean difference is significant at the .05 level. b. Adjustment for multiple comparisons: Bonferroni.
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