Quiz 2 (The Research in Psychology)

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A researcher is measuring the heart rate of subjects as an index of anxiety. In this study, heart rate is

an operational definition of anxiety

The use of reinforcement principles to modify a child's unruly behavior reflects the goal of science that deals with

application and control

Mrs. Smith, an elementary school teacher, believes that girls are smarter than boys. She predicts that the girls in her class will learn more than the boys during the school year. Her prediction is a(n)

hypothesis

A scientific journal refers to

a periodical that publishes technical and scholarly articles

The scientific approach requires that people specify exactly what they are talking about when they formulate hypotheses. Which advantage of scientific investigation does this illustrate?

precision


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