华中科技大学spss课件 Research method 1.ppt

华中科技大学spss课件 Research method 1.ppt

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* Null hypothesis: There is no relationship between l. proficiency and spelling scores. The spelling scores will not vary in relation to the l. proficiency of the Ss. Interpretation of hypotheses * Alternative hypothesis: There is relationship … The spelling scores will vary in relation to the l. proficiency of the Ss. * Directional, positive hypothesis: There is a positive relationship between l. proficiency and spelling scores. Students at higher proficiency levels will obtain higher spelling scores. Students at lower proficiency levels will obtain lower spelling scores. * Directional, negative hypothesis: There is a negative relationship between l. proficiency and spelling scores. Students at lower proficiency levels will obtain higher spelling scores while those with higher levels of l. proficiency will score lower. * Activity 4 Research topic: gender differences in spelling test scores state a separate null hypothesis for the effect of gender on spelling scores (ignore proficiency) State all the interaction hypotheses (adding in proficiency and L1 membership) Ho for gender: Ho for gender and L1: Ho for gender and language proficiency: Ho for gender, L1, and language proficiency: * Interpretation Ho for gender: There is no effect of gender on spelling scores. Ho for gender and L1: There is no interaction of gender and L1 membership on spelling scores. * Ho for gender and language proficiency: There is no interaction of gender and language proficiency on spelling scores. Ho for gender, L1, and language proficiency: There is no interaction of gender, language background, and language proficiency on spelling scores. * Ho for gender rejected: males and females would show different spelling scores. Ho for gender and L1 rejected: there might be a pattern where for females the scores wouldn’t change across the L1 groups while for men they would. * Ho for gender and language proficiency rejected: there might be a pattern where for females the scores wouldn’t c

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