Which of the following correlations of intelligence level would provide evidence for an environmental influence on intelligence?
a) brothers and sisters who have high intelligence
b) children and their parents who all have low intelligence
c) adopted children and their adoptive parents who have high intelligence
d) adopted children and their biological parents who have low intelligence
c
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In using t as an inferential statistic, we calculate the t score for our sample and then consider where that t score falls in the distribution of t scores for the distribution of sample means when ______.
A. the alternative hypothesis is true B. the null hypothesis is rejected C. the null hypothesis is true D. the alternative is rejected
A hypothesis is ____
a. ?a statement describing the actual outcome of an experiment b. ?the question that forms the foundation for a particular study c. ?a statement describing what the researchers expect to find in a study d. ?a type of research method that involves experimentation
The description of persons having "islands of genius" best describes which of the following?
a. geniuses c. masterminds b. savants d. whizzes
Epicureans believed that Greek gods ____
a. could serve as models for human behavior b. controlled much of human behavior c. had become irrelevant d. cared greatly about humans