A researcher selects a sample and administers a treatment to the individuals in the sample. If the sample is used for a hypothesis test, what does the null hypothesis (H0) say about the treatment?
a. The treatment causes a change in the scores.
b. The treatment adds a constant to each score.
c. The treatment multiplies each score by a constant.
d. The treatment has no effect on the scores.
D
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Which type of measure is usually highly specific and thus cannot be applied broadly?
a. self-report b. structured observations c. physiological d. naturalistic observations
Epilepsy, brain trauma such as stroke, central nervous system infections such as AIDS, endocrine and metabolic disorders, vitamin deficiency, and autoimmune disorders may directly produce
a. depression symptoms. b. neurosis symptoms. c. psychotic symptoms. d. psychosocial symptoms.
An animal is most likely to eat more frequently and gain weight after damage to the ____
a. preoptic area b. areas surrounding the third ventricle c. ventromedial hypothalamus d. lateral hypothalamus
Ahmed is in charge of hiring new employees for his company. He wants to hire people who are very organized, responsible, and will work hard for the company. In which trait is Ahmed most interested?
a. Agreeableness b. Extroversion c. Conscientiousness d. Openness to experience