Premenstrual syndrome and premenstrual dysphoric disorder are most likely linked to
A) imbalances in neurotransmitters.
B) an excess of estrogen.
C) a deficit in serotonin.
D) a block of gamma-aminobutyric acid.
A
Psychology
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What type of correlation describes the situation in which the more training a person engages in, the faster his or her race times become?
Curved correlation Absence of a correlation Positive correlation Negative correlation
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Nick is passive and socially awkward. He worries a lot, holds negative expectations about his peer interactions, and is disliked by many of his classmates. Nick is a __________ child
A) neglected-withdrawn B) neglected-aggressive C) rejected-withdrawn D) rejected-aggressive
Psychology