A child who is capable of reversibility can
A) center on just one aspect of a problem, rather than focus on several aspects at once.
B) focus on relations between a general category and two specific categories at the same time.
C) order items along a quantitative dimension.
D) think through a series of steps and then mentally reverse direction.
D
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A researcher selects a sample of 100 people to investigate the relationship between gender (male/female) and registering to vote. The sample consists of 40 females, of whom 30 are registered voters, and 60 males, of whom 40 are registered voters. If these data were used for a chi-square test for independence, what is the observed frequency for registered males?
a. 12 c. 40 b. 28 d. 42
Both the combination and progestin-only oral contraceptive pills probably prevent a. the maturation of follicles
b. ovulation. c. the thinning of cervical mucus. d. the implantation of fertilized eggs in the uterus.
Known environmental teratogens include elements found in artificial sweeteners
Indicate whether the statement is true or false
Costa and McCrae are factor analytic personality theorists who
a) originated the Five-Factor Model of personality but have since abandoned it as discredited. b) have conducted research that supports the use of the Five-Factor Model as a clinical diagnostic tool. c) have not yet conducted research on the applicability of the Five-Factor Model in non-English-speaking cultures. d) suggested that the Five-Factor Model is not stable when used to assess maturational changes in personality across the life span.