Jonathan performs an independent-groups t test analysis on his data and finds a calculated t value of +7.26, p < .05. In terms of this result, which of the following statements is true?
a. This effect is much stronger than if the t value had turned out to be –7.26.
b. Jonathan's study must have utilized an independent variable with 3 levels or groups.
c. The results of this study did not turn out to be statistically significant.
d. The probability of committing a Type I error is less than 5%.
d
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According to the text, older siblings often help their younger siblings with ___________
a. family duties and sports b. showing affection and obtaining material resources c. chores, romantic relationships, and work issues d. academic, peer, and parent issues
Doctors confirmed that Heather received high levels of androgen while she was in the womb. The results of this would likely be that Heather:
a. received this hormone in the third month of gestation. b. shows more male play behavior in early childhood. c. shows a preference for female playmates. d. shows decreased play activity.