The following result is obtained for Tests of within-subjects effects in relation an experiment to determine sex differences in the effects of caffeine on memory(http://www.lifesci.sussex.ac.uk/home/Zoltan_Dienes/RM%20II%20SPSS%20%202-way%20mixed.doc). Within-subjects factors are measured as LOWCAFF, MEDCAFF and HIGHCAFF, and between-subjects factors are given as MALE or FEMALE. The following output results. Based on these results, what do you deduce from this information in terms of caffeine consumption?
Source: http://www.lifesci.sussex.ac.uk/home/Zoltan_Dienes/RM%20II%20SPSS%20%202-way%20mixed.doc
A. Increased caffeine consumption did not improve memory scores for both males and females, F(2,20) = 12.84, p > .0005.
B. Increased caffeine consumption improved memory scores for both males and females, F(2,20) = 12.84, p < .0005.
C. Increased caffeine consumption improved memory scores for both males and females, F(2,20) = 12.84, p < .005.
D. None of the above.
Answer: B
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