A researcher is investigating the neurotransmitters associated with suicide. She is likely to find that in those who complete suicide, ____
a. 5-HIAA levels are abnormally low
b. norepinephrine levels are abnormally high
c. adrenalin levels are abnormally low
d. serotonin levels are abnormally high
A
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Adaris has always been drawn to the saying "Absence makes the heart grow fonder," and she decides to incorporate this saying into her research project
Adaris is trying to define absence in a way that can be empirically tested. She is attempting to find an appropriate __________ a) hypothesis. b) operational definition. c) double-blind study. d) theory.
Ted associates each item on a list with one of the following rhymes: "one is a bun .... two is a shoe .... three is a tree ...." and so on. What memory technique is he using?
a) coding b) grouping c) method of loci d) pegword technique
According to B. F. Skinner's operant conditioning theory,
A) modeling is the most powerful source of development. B) the frequency of behavior can be increased by following it with reinforcers. C) development is a discontinuous process. D) children actively construct knowledge as they manipulate and explore the world.
The reference-group effect can make cross-cultural comparisons of personality traits based on self-reports __________
a. impossible b. difficult c. easy d. invalid