Marilyn has trouble concentrating and her temper has flared up several times this week. Every once in a while she catches herself grinding her teeth and clenching her fists. This presence of negative feelings leads Marilyn to say she is stressed. In Marilyn's case stress can be defined as a(n):
A. interaction
B. stimulus
C. response
D. positive outlet
C. response
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Juan used to be a fairly generous individual, but it seemed that whenever he loaned things to people, they were never returned, or they were returned broken. Consequently, Juan is no longer generous. Based on principles of operant conditioning, Juan's lack of generosity is MOST likely a result of
a. punishment. b. positive reinforcement. c. negative reinforcement. d. extinction.
The modern notion of subliminal perception rests on the idea that the threshold of perception or consciousness can be determined. The first experimental illustration of psychological threshold was demonstrated by ____.?
a. ?Helmholtz b. ?Weber c. ?Fechner d. ?Wundt e. ?Freud
Which hearing ability is LEAST well developed in a young infant?
a. Ability to discern phonemes b. Recognition of its own mother's voice c. Detection of faint, quiet sounds d. Discriminating among sounds that differ in duration
If there is no effect of the independent variable in an experiment, then:
a. between-groups variance equals zero. b. between-groups variance is greater than within-groups variance. c. between-groups variance is less than within-groups variance. d. between-groups variance equals within-groups variance.