Mandy, a 9-month-old infant, saw a little girl in a toy store pushing buttons on a musical toy that plays a different song for each button. When Mandy's grandmother gave the same toy to her the following day, Mandy immediately started pushing the buttons. In the context of infants' cognitive development, Mandy was most likely displaying
A. categorization.
B. deferred imitation.
C. object permanence.
D. dishabituation.
Answer: B
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Rosie participates in a study assessing the effectiveness of a drug to treat osteoporosis. Throughout the study, neither Rosie nor the person administering the dosage knows whether she was getting the real medication or a placebo. Rosie is participating in a ____
a. blind design study c. field study b. correlational study d. double-blind design study
Hooking up refers to
a. sexual intercourse with a friend. b. a single sexual encounter between two briefly acquainted people. c. sexual intercourse with a steady partner. d. sexual intercourse without regret.
To investigate mother-infant relationships, Harry Harlow
a. observed how rats care for their young in crowded environments. b. used the stranger situation with human mothers and their infants. c. observed whether mothers could coax their infants to crawl across the visual cliff. d. separated baby rhesus monkeys from their mothers at birth and replaced them with wire and terry cloth surrogate mothers.
"I want to examine my subjective reactions to environmental variables." This statement best demonstrates the ____ model
a. Leipzig b. Paris c. Geneva d. London