How was factor analysis used during the development of the Big Five Model?
What will be an ideal response?
Answer: Factor analysis is a way of analyzing words that are correlated with each other to see which items form clusters of adjectives. This statistical technique was used by researchers to determine the Big Five traits. The development of the Big Five was guided by the lexical hypothesis, which is the idea that traits important for survival and reproduction became embedded in our language as single words. The more of these trait words, the more important the trait should be. Researchers recorded all of the adjectives in the English-language dictionary that could be used to describe people. They screened out words referring to temporary stages or social evaluations. They then had people rate themselves on these adjectives. Using factor analysis, they analyzed which words correlated with each other and formed clusters of adjectives—hence the Big Five.
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a. enough ova to be fertile for 10 years. b. no ova, they only develop during puberty. c. around 300,000 to 400,000 ova in each ovary. d. millions of ova.
School refusal
a. is always due to separation anxiety disorder. b. may be due to high parental expectations or problems with classmates. c. is best remedied by changing the child's school. d. is an irrational fear.
Many gifted children and adolescents
A) are socially isolated. B) have high self-esteem. C) display creativity in many unrelated areas. D) have driving and overambitious parents.
According to the article The Nose Knows about the ability of mothers to detect the scent of their babies, in the main study it was found that mothers who were consistently accurate in recognizing their infants:
(a) had more contact with their infants in the first 12 hours (b) bottle-fed their infants (c) had infants who slept less (d) had infants judged to be happier babies