The major steps in the experimentation process reflect a circular process. This is a sign of:
a. Kuhn's influence on science.
b. how science responds to threats to internal validity.
c. difficulty dealing with variation due to independent variables.
d. the self-correcting nature of science.
Question 2
Sometimes participants in an experiment may drop out before completing the experiment. If this occurs more in one condition than in others, it introduces a confound called:
a. mortality.
b. maturation.
c. statistical regression.
d. selection-maturation interaction.
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The amyloid-β peptide, which plays a major role in Alzheimer’s disease
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