The proportioned increase in the intensity of a stimulus needed to produce a just noticeable difference is called:
A. Fechner's constant
B. Weber's law
C. intrastimulus difference
D. Helmholtz's hierarchy
Answer: B
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Many items on a "culture-fair" test require the use of ________
a) nonverbal abilities such as rotating objects b) verbal knowledge c) musical knowledge d) knowledge of major world historical figures
When we use heterogeneous subsamples of data, such as older and younger subjects, the resulting correlation between intelligence and education could
a. tell you more about the relationship between Age and Education than between Intelligence and Education. b. be very misleading. c. represent the relationship between Education and Intelligence accurately. d. all of the above
As an animal lover, you find it difficult to participate in the destruction of animals for research purposes. As a scientist, you
a. fight the use of animal models by your colleagues. c. realize that ethical animal models are never uncomfortable for the animal. b. know that these models are unjustified. d. understand the value of animal research and promote ethical standards.
When teenagers are asked why they do not wait to have sex until they are older, the main reason reported is usually ____________________
Fill in the blank(s) with correct word