Suppose you were trying to estimate the reliability of a whole test on the basis of the correlation between scores on the two halves of the test. In order to correct for using scores based on the halves, you might use the
a. KR 20.
b. alpha method.
c. Spearman-Brown formula.
d. split half method.
c
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Sima is a child of recent immigrants to the United States. Sima is likely to demonstrate which of the following behaviors?
A. good grades in school B. a higher level of self-esteem than nonimmigrant children C. substantially lower socioeconomic status D. a high level of popularity among peers
In a Fixed Ratio schedule, a reinforcer is delivered after X number of responses on the average
a. True b. False Indicate whether the statement is true or false
You walk into a room and see someone you know you've met before, but you have no idea when or where you met this person. Which of the following phenomena can best explain this?
a. retrograde amnesia b. Alzheimer's disease c. source amnesia d. faulty short-term memory
One example of socialization through language is described in the study of Portuguese-,
English-, and Mandarin-speaking children and their use of quantifiers such as "all" and "each." The researchers found that a. the Mandarin speakers never learned to distinguish between the two quantifiers. b. all three groups of children were able to distinguish between the two quantifiers at around 6 years of age. c. the Portuguese and Mandarin speakers learned to distinguish between the two quantifiers earlier than the English speakers. d. the English speakers learned to distinguish between the two quantifiers earlier than the Portuguese and Mandarin speakers.