What is the name of the Piagetian substage in which children are first capable of representational thought and of using symbols to represent the world?
a. formal operations
b. representational operations
c. systematic thought
d. symbolic function
D
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The fact that exposure to a teratogen during the period of the zygote often leads to a spontaneous abortion (miscarriage) while the same exposure during the period of the fetus can lead to minor defects of bodily structures or systems demonstrates that
a. the impact of teratogens depends on the genotype of the organism b. the impact of teratogens changes the course of prenatal development c. different teratogens affect different aspects of prenatal development d. the impact of a teratogen depends on the amount, or dose, of the teratogen
The ______ of a measurement may not be as high as when the researcher directly observes behavior.
A. reliability B. validity C. construct D. efficacy
A case study is a set of assumptions, principles, and methods that help a researcher understand the nature of the phenomenon being studied
a. True b. False Indicate whether the statement is true or false
A(n) _____ is most likely to be concerned with selective pressures
a. neurosurgeon b. clinical psychologist c. clinical social worker d. evolutionary psychologist