The LD1 is the
a. dose of a drug that will kill 99% of experimental subjects.
b. dose of a drug that will kill 1% of experimental subjects.
c. dose of a drug that will be effective in 99% of experimental subjects.
d. dose of a drug that will be effective in 1% of experimental subjects.
e. dose of a drug that will lower diagnostic rates of a particular condition by 1%.
Answer: B
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Studies of single women show that
a. they are typically similar to married women in terms of personal adjustment. b. they are likely to experience less distress than married women. c. they are likely to be less assertive than married women. d. the majority say that they will continue to search for an ideal male partner.
Studies of nonhuman language abilities seem to indicate that human language may have evolved from a precursor that was probably ____
a. present only in human ancestors b. a byproduct of total brain size c. present in the ancient ancestor from which humans and bonobos evolved d. a single gene mutation
In the context of psychotherapy, which of the following statements is true?
A) Psychodynamic therapies are based on the thinking of Carl Rogers. B) Psychotherapies influence clients' thoughts, feelings, and behavior. C) Psychotherapies are limited to dealing with clients who have severe mental disorders. D) Behavior therapists tend to focus exclusively on what people think and feel.
Research findings that are based on testing hypotheses are:
a. never determined statistically. b. always considered absolutely proven. c. always determined statistically. d. nearly always irrelevant to the study's objectives.