The transmission of _____ occurs by infusion of contaminated blood by needle sharing or from mother to baby during childbirth or breast-feeding
A) pubic lice
B) Down' syndrome
C) multiple sclerosis
D) HIV/AIDS
D
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According to _____, the brain perceives pitch by the firing rate of action potentials entering the auditory nerve.
A) signal detection theory B) temporal code C) threshold theory D) place code
Korean and Chinese children can do arithmetic with three-digit numbers with greater skill than American children. According to research, one of the most important factors explaining this difference is
A. cultural influences on Piaget's sensorimotor stage. B. cultural influences on Vygotsky's social scripts. C. Asian language labels for the numbers eleven to nineteen. D. genetics.
What percentage of babies did Thomas and Chess find met their definition of "easy" babies?
a. 20% b. 40% c. 60% d. 80%
Which researcher conducted groundbreaking experiments on operant conditioning using animals to investigate the application of positive reinforcement?
A. Carl Rogers B. Ivan Pavlov C. Abraham Maslow D. B. F. Skinner