If a researcher actively changes or manipulates one variable and then measures the scores on another variable, the researcher is conducting
a. a population measurement. c. a correlation.
b. an experiment. d. a nonrandom sample.
B
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The __________ of ganglion cells in the retina form the optic nerve
a. cell bodies c. axons b. dendrites d. none of these
What modern day practice helps prevent an inadequate production of thyroid hormones?
A. Fluoride in drinking water B. Processed sugar C. Iodized salt D. Artificial sweeteners
Which of the following would most likely involve the tectum?
A) Raising your body temperature on a cold night. B) Deciding to bet all of your chips in a poker game. C) Remembering where you left your keys. D) Ducking just in time to avoid being hit by a sudden foul ball at a baseball game.
Suppose a teacher is worried by reports of prejudiced behavior among the diverse students he instructs. If he wanted to use an in-class activity to reduce the prejudice felt by students, research suggests he could
A. have each student write down a list of accomplishments they are proud of, then have the others try to explain these accomplishments in terms of the student's positive personal qualities. B. have the students compete against one another in a low-stakes game that encourages physical contact. C. explain some ancient, historical stereotypes used in past civilizations and how they were unjustified and harmful. D. describe experimental research, such as studies on stereotype threat and shooter bias, to show how prejudiced behavior can be irrational and harmful.