In factorial experiments, researchers are limited to __________ levels within any of the included independent variables
a. 2
b. 5
c. 10
d. none of the above
d
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When an infant uses her or his abilities to interpret others' facial and vocal emotional expressions, this is called __________.
A. nonverbal encoding B. nonverbal decoding C. social smiling d) communication detachment
A measure of central tendency characterizes _____ of an entire distribution of scores
a. the variability b. the standardization c. the middleness d. none of the above
If you let your memory flow freely, you will find that one memory triggers another memory, which triggers another. How would the network theory explain this?
A. Different brain chemicals are associated with different memories. B. Memories are connected in an enormous cognitive network. C. Some memories cause interference with others, while those that do not tend to be associated with each other. D. The neurons that make up a particular memory become more sensitive to each other's signals.
Epigenetics refers to the process of cellular material influencing traits by
A. Creating mutations in the genome. B. Inheriting mutations from an individual's parents. C. Activating the endocrine system when an individual encounters stressful events. D. Turning on or off genes from outside of the genome itself.