A negative after image is
a. a hallucinatory effect.
b. similar in brightness and color to the original stimulus.
c. opposite in brightness and complementary in color to the original stimulus.
d. complementary in brightness and opposite in color to the original stimulus.
C
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When a genetic trait is influenced by heterozygous codominant alleles,
a. only the dominant allele is expressed in the phenotype. b. only the recessive allele is expressed in the phenotype. c. both alleles may be partially expressed. d. only the effects of learned experience will become evident in the phenotype.
According to the principle of parsimony, reports of alien abduction are unlikely to be true because
A) there are several other explanations that are much simpler. B) aliens do not really exist. C) eyewitness reports should never be believed. D) anyone who thinks they were abducted by aliens is clearly mentally unstable.
Psychologists refer or abrupt developmental changes as occurring ______________. In contrast, they refer to slower, more gradual changes as being _________________
A) continuously; in stages. B) in stages; continuous C) normal; abnormal D) abnormal; normal
When an individual's attitudes do not match up with his/her behaviors, ________ is likely to occur
A) compliance B) discrimination C) cognitive dissonance D) prejudice