The Flynn Effect describes what phenomena?
a. ethical research behavior
b. lack of reliability and validity in current research
c. the decrease in test bias since NCLB became law
d. increased generational IQ scores over the past 60 years
Ans: D
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According to Piaget the first stage of cognitive development is called:
A. sensorimotor B. preoperational C. object permanence D. formal operational
Which one of the following variables is measured on an interval scale?
a. Paul’s place in line b. Gender of participants c. Foreign language studied in high school d. Score on an IQ test
Organizations such as LinkedIn enable you to
A. keep up with friends from college. B. expand your social network. C. stay informed about the world. D. network with professionals from your field.
Choose the correlation coefficient that matches the following types of scales. Both variables are genuinely dichotomous (nominal)
a. Pearson's r c. phi coefficient b. Spearman rho