The hormone has been linked to increased aggressive behavior
a. amphetamine
b. testosterone c. GABA
d. serotonin
e. norepinephrine
b
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A researcher wants to know whether a new drug reduces anxiety. Forty participants who suffer from anxiety disorder are assigned randomly to one of two groups. One group gets the new drug and the other group gets a placebo. Neither group knows which they receive. After 30 days on the drug, their anxiety levels are measured. In this experiment, is the independent variable and is the dependent
variable. a. anxiety, the new drug b. the new drug, the placebo c. anxiety, the placebo d. the new drug, anxiety
José is a research psychologist meeting with his friends Carl and Lucinda, who are expectant parents. Lucinda asks José for some advice on how to maximize the intelligence of their child. Which empirically based suggestion would José likely NOT provide?
A) Read to the fetus nightly. B) Breast-feed the baby. C) Provide a stable financial environment for the child. D) Send the child to preschool.
Which of these trends is the LEAST closely related to high fuel costs?
A. Driving less B. Telecommuting C. Use of public transportation
Dismantling allows researchers to examine the effectiveness of
isolated components of a broader treatment such as systematic desensitization and compare these effects with that of the full treatment package. Dismantling represents which of the six principles of scientific thinking? A) Falsifiability B) Extraordinary claims C) Correlation vs. correlation D) Ruling out rival hypotheses