According to the principle of natural selection, genetic variations become more common over time if they are adaptive in a particular environment
Indicate whether this statement is true or false.
True
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With counterconditioning, a new contingency
a. is added to the same stimulus. b. replaces one previously learned. c. must be completely extinguished. d. is blocked by past learning.
Light-sensitive cells in the retina are called:
A. iris B. cornea C. lens D. photoreceptors
Douglas was shown a painting for a few moments, and then
was asked to jot down as many details regarding the painting as he could remember. As he began writing, he was surprised to learn that although he remembered what the painting was, he had trouble recalling the details and seemed to lose them within a few seconds. Based on this information, the original information was likely stored in his _____ memory. a) sensory b) explicit c) short-term d) latent
In true experiments people are randomly divided into groups. Why is this done?
A) To get a diverse, representative sample of people to participate in the experiment B) To find out if there are correlations between groups C) To gain control over the research so that it can become a quasi-experiment D) To try to make sure the groups are comparable before the intervention is performed