Dr. Angelo is conducting a cross-fostering study. She should be cautious about the fact that cross-fostering studies
a. speak to the issue of environmental influence, but they cannot rule out the role of heredity.
b. address the issue of genetics but not the issue of heredity.
c. provide evidence than can lead us to determine the direction of causality.
d. speak to the issue of heredity, but they cannot rule out the role of environmental influences.
A
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Children in the preoperational stage are most concerned with which of the following?
a. physical characteristics of things c. real characteristics of things b. what things actually are d. how things work
Mourning after the death of a loved person lasts for
a. a few weeks b. 3 months c. 6 months d. 1-2 years e. no fixed period of time
Which ethnic group has the lowest risk for Type 2 diabetes?
A) ?Asian Americans B) ?African Americans C) ?Hispanic Americans D) ?European Americans
Which of the following is true about a behavior (such as gambling at a slot machine) that is continuously reinforced?
a. The schedule of reinforcement results in rapid learning and stays strong long after playing no longer pays out. b. The behavior is likely to happen in an environment outside of a casino. c. The behavior is extinguished rapidly if the slot machine no longer pays out. d. The continuous schedule of reinforcement is stronger than an intermittent schedule.