Why is perceived motion in the rotating snakes illusion considered an illusion?
A. because the motion is beta motion, not phi motion
B. because the image is actually static; there is no motion
C. because the motion is a function of lateral inhibition, not beta motion
D. because the apparent motion in the illusion occurs only in dim light
Answer: B
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Logical deductions about events that cannot be observed directly are referred to as
a. data b. inferences c. statistics d. distributions
What brain change is best associated with Alzheimer's disease?
a. Senile plaque b. Excessive quantities of the metal mercury c. Neurofibrillary bundles surrounding alpha-amyloid d. Excessive levels of the neurotransmitter dopamine
When it comes to testing the intelligence of people from different cultural backgrounds who live in the same community, which of the following statements is the most accurate?
a. It may be impossible to create an intelligence test completely free of cultural bias. b. As long as the IQ test is given in a uniform manner, the influence of different cultural backgrounds is minimal and it is not necessary to consider those differences. c. The only time an IQ test has cultural bias is if the test administrator has a particular desire to act in a way that discriminates against the test taker. d. Cultural bias is not something that needs to be considered, but gender bias is a very salient topic in the world of intelligence testing.
The foot-in-the-door approach encourages people to perform a larger or more costly act because
a. refusing a costly act makes them feel guilty. b. of a new self-image. c. they feel their effort is justified. d. they do not feel threatened.