Chunking is a memory strategy in which similar items are grouped together, so they can be recalled together.
Answer the following statement true (T) or false (F)
True
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Recent research suggests that experienced meditators are able to endure more pain than non-mediators because of differences in
a. opiate use. b. heart rate. c. neuron firing rate. d. brain structure.
When items have a very low or very high p value, test developers
a. accept them as good items. b. know that they contribute to the variability of the test scores. c. rewrite or discard the items. d. have evidence that the item is valid.
What are seen as as some of the pros and cons of having states control Project Head Start?
What will be an ideal response?
A researcher hypothesized that the drug amphetamine (a stimulant) improves learning
She explains her hypothesis to her participants and gives experimental group participants an amphetamine pill before they begin studying. Control group members get nothing. Later, she assesses how much each participant learned. Because of the hypothesis explanation and because the experimental group was given a pill that the other group did not receive, the experimental group will most likely expect to learn more. Thus, any observed differences between groups may reflect differences in expectation, not the actual effect of the drug, a problem known as the a. anthropomorphic error. b. research participant bias. c. courtesy bias. d. double-blind experimental effect.