Descriptive statistics for the sample, excluding the girls-only school.
Descriptive Statistics
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OfficialScore | |||
Valid | 840 | ||
Missing | 0 | ||
Mean | 41.242 | ||
Std. Deviation | 19.271 | ||
Minimum | 0.000 | ||
Maximum | 108.000 | ||
Main ANOVA, excluding the girls-only school.
ANOVA - OfficialScore
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Cases | Sum of Squares | df | Mean Square | F | p | η² | |||||||
Form | 190.071 | 1 | 190.071 | 0.514 | 0.474 | 6.099e -4 | |||||||
Gender | 2131.432 | 1 | 2131.432 | 5.761 | 0.017 | 0.007 | |||||||
Form ✻ Gender | 21.700 | 1 | 21.700 | 0.059 | 0.809 | 6.964e -5 | |||||||
Residuals | 309274.368 | 836 | 369.945 | ||||||||||
Note. Type III Sum of Squares |
A t test comparing official scores between male and female participants, excluding the girls-only school.
Independent Samples T-Test
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---|---|---|---|---|---|---|---|---|---|
t | df | p | Cohen's d | ||||||
OfficialScore | -2.391 | 838 | 0.017 | -0.165 | |||||
Note. Student's t-test. |
Group Descriptives
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Group | N | Mean | SD | SE | |||||||
OfficialScore | F | 390 | 39.538 | 18.493 | 0.936 | ||||||
M | 450 | 42.718 | 19.824 | 0.934 | |||||||