Among elementary school children, the correlation between strength and
weight is .60, and the correlation between strength and age is .70. The
correlation between weight and age is .80. (All correlations are
significant).
What is the partial correlation between strength and weight,
holding age constant?
What will be an ideal response?
Partial r = .093
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In a study that controlled for mothers' motivation for having the bonding experience, what differences in mother-infant interactions were observed between women who had the critical skin-to-skin contact and those who did not?
a. Women who had the critical skin-to-skin contact bonded with their infants more than mothers who did not. b. There was no significant difference in bonding between women who had the critical skin-to-skin contact with their infants and mothers who did not. c. There were slightly significant increases in bonding between women who had the critical skin-to-skin contact with their infants and mothers who did not. d. Women who did not have critical skin-to-skin contact bonded with their infants more than mothers who did.
Ron is 10 years old and has an MA of 12 . John is 8 years old and has an MA of 6 . Rita is 10 years old and has an MA of 10 . Whose IQ is the highest?
a. John c. Ron b. Rita d. None; their scores are equal.
Trace the development of language from the newborn to childhood and describe the characteristics most important in an infant's language development
What will be an ideal response?
Which of the following provides a plausible account of infantile amnesia?
a. it is difficult to remember things that happened very far in the past b. infants are unable to form enduring memories c. infants do not have metacognitive knowledge d. infants' frontal lobes are underdeveloped