Psychology is based on research questions about many phenomena. When a psychologist asks if she can control for a phenomenon, she is ready to ____.?
a. ?devise a theory that will predict future phenomena
b. ?describe the phenomenon empirically
c. ?explain why the phenomenon occurs and why certain treatments are more effective
d. ?conduct an experiment testing various treatment methods in a clinical setting
ANSWER:
d
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Chris wants to calculate a zscore for his own height. The average height in the class is 66 inches, and Chris's height is 62 inches. Chris calculated his zscore to be +1.5 . What's wrong with his calculation?
a. The z-score is an inappropriate calculation here. b. The z-score should be a higher number. c. He didn't have the standard deviation. d. The z-score should be a negative number.
Irving Biederman's recognition by components theory helps to explain how people can successfully:
a. recognize objects they have never seen before b. overcome visual illusions c. perceive depth using only monocular cues d. identify degraded or incomplete objects
About 70 percent of neurons are in the cortex
Indicate whether this statement is true or false.
Dr. Jiminez investigated the influence of snacking on the onset of sleep in preschool children. One group of preschoolers ate a candy bar prior to bedtime, and the other group ate nothing. Time until the onset of sleep was recorded for each child. In this experiment, eating or not eating the snack is the __________ variable, and the time until the onset of sleep is the __________ variable.
A. independent; dependent B. dependent; independent C. experimental; control D. control; experimental