The bias stemming from the likelihood that those who offer to participate in certain kinds of surveys differ systematically from those who are less likely to offer is known as
a. selection factors. c. self-selection.
b. volunteer bias. d. stratified selection.
B
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Explain why science is considered to be "tentative" and not merely a collection of facts.
What will be an ideal response?
____ refers to awareness that differs from normal consciousness
a. Automatic processes c. Controlled processes b. Cognitive unconscious d. Altered states
How do researchers calculate the discrimination index?
a. They calculate the difference between the percentage of upper performers and the percentage of lower performers who responded correctly. b. They calculate the percentage of test takers who answered the item correctly. c. They compare the percentage of test takers who answered the item correctly by demographic group. d. They develop a matrix that contains the results of the item analyses for each item and calculate a score by adding the matrix columns.
A male with a defective chromosome leading to severe protein deficiency and poor brain development probably sufferes from ___.
Fill in the blank(s) with the appropriate word(s).