In research, what is a fundamental principle of ethical practice?
a. ?compensation to participants
b. ?debriefing participants only if they are at risk
c. ?research design by an institutional board
d. ?informed consent
ANSWER:
d
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A normal distribution has a mean of ยต = 40 with ? = 8 . If one score is randomly selected from this distribution, what is the probability that the score will be less than X = 34?
a. 0.7734 c. 0.2734 b. 0.2266 d. 0.4532
A decline in performance due to repeated testing is a(n) _____ effect and improvement in performance due to repeated testing is a(n) _____ effect
a. instrumentation; mortality b. mortality; instrumentation c. practice; fatigue d. fatigue; practice
Nerve cell bodies and dendrites are not the only locations sensitive to neurotransmitters. Receptor sites can also be found on
a. muscles and glands. b. skeletal joints. c. axon terminals. d. all vital organs.
In middle childhood, children's attitude toward language undergoes a fundamental shift as they develop
A) metalinguistic awareness. B) linguistic reasoning. C) a theory of language. D) systemic linguistics.