Weber's law states that:
A. the accuracy with which we judge the size of a stimulus is directly proportional to the intensity of that stimulus
B. the effort required to lift a weight is logarithmically proportional to the magnitude of the weight
C. a tone must be three times louder in decibels before we perceive it as twice increased
D. the size of a just noticeable difference is related to the intensity of the stimulus
Answer: D
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Adolescents exhibit a self-oriented perception in their thinking called _____
Fill in the blank(s) with correct word
In an attempt to study police officers' attitudes toward their supervisors, Alex surveys 25 police officers working during the day shift. In this scenario, what can help Alex ensure that his findings have external validity?
A. surveying officers from all shifts in the department B. using confounding variables C. using a larger sample of officers working in the day shift D. randomly assigning officers to work under specific supervisors
Hiroshi was born only two hours ago. When his grandfather holds him and Hiroshi smells the banana his grandpa is holding, it's most likely that he will
A) have a positive expression because most babies like sweet odors. B) be unhappy because most babies don't like sweet odors. C) not react because his sense of smell has not yet developed. D) not notice because he'll be too scared by this new person.
Evidence on systematic desensitization generally indicates that it is an effective procedure for eliminating
A) ?negative self-talk. B) ?anxieties disorders. C) ?depression. D) ?drug and alcohol problems.