A weakness of the learning theory of language development is that
a. parents reinforce their children for the grammatical correctness of utterances.
b. children imitate the speech of their peers as well as of their parents.
c. cooing and crying are inborn.
d. two-word utterances develop in an invariant sequence around the world.
D
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A heritability coefficient is a derivation of a(n) a. t-test
b. analysis of variance. c. correlation. d. chi-square.
A concussion is a type of open head injury
a. True b. False Indicate whether the statement is true or false
As much as she tried to lose weight, Pauline could not achieve her goal of 15% weight loss. Accordingly, she made an appointment to consult with Dr. Richman, a __________ psychologist
a. clinical c. human factors b. counseling d. health
The primary means scientists use to establish control in their observations is to
A. systematically manipulate an independent variable in an experiment. B. train multiple observers. C. establish the accuracy and precision of their measurements. D. observe many dependent variables.