A researcher wants to test the effect of alcohol on driving performance. Participants first drive through an obstacle course before drinking any alcohol. The participants then drink 8 ounces of alcohol and drive the course again. After each trial, the number of traffic cones hit is recorded. The researcher finds that the number of traffic cones hit is greater before rather than after the participants drank the alcohol. Which of the following best accounts for the change in performance?
A. history effects
B. instrument decay
C. maturation effects
D. testing effects
Answer: D
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Indicate whether the statement is true or false
In group therapy, the role of the therapist is
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Dr. Newson, an intern in pediatrics, takes note of the symptoms described by the infant's parents, then checks the baby's temperature, then listens to the baby's breathing, and finally orders a blood test. Dr. Newson is probably using __________ in making a diagnosis
a. a mental set c. parallel processing b. common sense d. serial processing