Stratified random sampling is
a. Sampling from specific groups in the population to make sure all relevant groups are in the sample
b. Accepting volunteers from the nearest group that is part of the population
c. Sampling randomly from the entire population of interest
d. Sampling randomly from groups of people in the population
Ans: A
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The highest levels of positive feelings toward a parent who returns following an absence are felt by babies with ___________ attachment
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By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when no meat was presented. In this experiment, the presentation of the meat was the:
a. unconditioned stimulus. b. unconditioned response. c. conditioned stimulus. d. conditioned response.
Chromosomes consist of deoxyribonucleic acid (DNA)
Indicate whether the statement is true or false