Define the experimental design, including its variables, and explain one of its distinct advantages
What will be an ideal response?
Experimental design manipulates one or more independent variable—the variable manipulated by the researcher, the suspected cause of the behavior—to observe the effects on the dependent variable—the behavior that is measured, the suspected outcome. This research design has the benefit of being able to measure direct cause-and-effect relationships (internal validity) by controlling the independent variable using random assignment of participants.
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With respect to propositional thought, young children have great difficulty reasoning from premises that contradict reality or their own beliefs because they
A) automatically inhibit well-learned, real-world knowledge. B) are egocentric and cannot yet understand another person's perspective. C) fail to grasp the logical necessity of propositional reasoning. D) have poorly developed problem-solving strategies.
What classic psychological experiment was used to evaluate selective attention?
a. vision/auditory test b. dichotomous listening test c. selective attention test d. Stroop test