When researchers attempt to describe their results by fitting a straight line through the data according to the linear equation, Y = a + bX, the technique is referred to as
a. factor analysis.
b. Spearman rank order correlation.
c. cross-lagged panel correlation.
d. regression analysis.
d
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Which of the following theories suggest that the waste byproducts of normal cellular activity actually cause the problems associated with aging?
a. telomerease theory b. free radical theory c. metabolic discharge theory d. reuptake theory
Attempts to identify individual genes associated with addiction have found ____
a. many genes, each with a small effect b. a small number of genes with limited cumulative effects c. many genes, each with a substantial effect d. a small number of genes with substantial cumulative effects
Which of the following statements is true?
a. Hispanic Americans tend to obtain significantly lower IQ scores than White Americans. b. African Americans tend to obtain significantly lower IQ scores than White Americans. c. After puberty, males tend to score significantly higher than women on tests of quantitative ability. d. all of the above
According to Rotter's expectancy theory, a person's decision to engage in a behavior is determined by what the person expects to happen following the behavior and by
A. what cognitive person variables apply to the situation. B. the conditions of worth the individual has created. C. the value the person places on the outcome. D. the relatively stable traits the individual possesses.