Milton is a researcher who wants to know whether eating chocolate makes people nervous. Some participants are given two bars of chocolate to eat and some are given no chocolate at all,
and then all of the participants are tested for nervousness an hour later. In this experiment, the amount of chocolate eaten ________
a. would be a dependent variable.
b. would be a placebo.
c. would be an independent variable.
d. may be either an independent or dependent variable.
Answer: c
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Herpes simplex, the virus responsible for cold sores and genital herpes, a. has been implicated in cases of primary encephalitis
b. is a major cause of secondary encephalitis. c. is responsible for many cases of multiple sclerosis. d. has been implicated in neurocysticercosis.
Lanugo __________
A) permits food and oxygen to reach the organism B) provides the fetus a cushion against jolts caused by the mother’s movements C) helps regulate the fetus’s body temperature D) helps the vernix stick to the skin
One of the earliest theories of multiple types of intelligence was that of Raymond Cattell, who suggested that intelligence can be divided up into two types:
a. intrapersonal and interpersonal b. emotional and intellectual c. practical and creative d. fluid and crystallized
Which of the following is a symptom of depression?
A) Hopelessness and helplessness B) Self-critical thoughts C) Aggressive behavior D) all of the above