A researcher wants to study the effects of texting on driving. Students in Group A drive a car in a computer game and see how many virtual accidents they have. Students in Group B are asked to drive the same virtual car but they must respond to
and send at least three texts. The number of virtual accidents is measured for each group. What is the independent variable?
a. the virtual car
b. texting
c. the number of virtual accidents
d. the group assignment
b
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In the study by Caspi et al. (2003) discussed in the text, genetic testing of males who were followed from childhood into adulthood revealed that individuals with a genetic vulnerability in the serotonin transporter gene (the s/s genotype) were __________.
A. more likely than individuals without such a vulnerability (the l/l genotype) to be depressed as adults, regardless of the level of maltreatment in childhood B. more likely than individuals without such a vulnerability (the l/l genotype) to be depressed as adults, but only when child maltreatment was likely to have occurred C. equally likely to be depressed in adulthood as individuals without such a vulnerability (the l/l genotype) when both had a history of severe maltreatment D. depressed from childhood through adulthood
Much research on the nature of the unconscious involves _____ in which stimuli are presented to people below their level of conscious awareness
a. catharsis c. subliminal perception b. cathectic attachment d. sublimation
If you measured hearing acuity and age for a group of people who are 50 to 90 years old, you should obtain a positive correlation between the two variables
Indicate whether the statement is true or false
Alex wants to be physically fit. As he cannot workout effectively at his home, he goes to a gym with this friends. At the gym, he works out better when his friends work out along with him. In the context of group behavior, this is the result of _____
A) social pressure B) conformity C) social facilitation D) polarization