During the course of a very large study spanning several years, the same research assistant conducts all measurements of the dependent variable

During his first year, he used a structured assessment, but as he became more familiar with the study, he no longer used the structured measure. The investigator of this project should be concerned with
a) instrumentation
b) history.
c) maturation.
d) testing.


A

Psychology

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The intestines secrete hormones called:

A. norepinephrine and leptin B. ghrelin, PYY, and CCK C. dopamine and estrogen D. androgens

Psychology

Examining the self-report scales used to study a concept will help you _____.

A. demonstrate how to form an experiment on the concept B. understand the concept's subcomponents C. further social psychological thought on the concept D. isolate causal variables of the concept

Psychology

The proper place for the blastocyst to implant itself is at the

a. interior of a fallopian tube. b. lining of the vagina. c. outside of the ovary. d. wall of the uterus.

Psychology

People attempting retrieval in groups can have worse performance than control groups. Which of the following is NOT one of the ways performance can worsen?

a. additional misinformation spreads b. unwillingness to confront others c. overconfidence from hearing others’ answers d. lack of enthusiasm for participation

Psychology