The proper sequence of the intellectual stages of development are:
a. preoperational, sensorimotor, concrete, and formal.
b. sensorimotor, concrete, preoperational, and formal.
c. formal, sensorimotor, preoperational, and concrete.
d. sensorimotor, preoperational, concrete, and formal.
d
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Cross-sectional studies show that older people are less likely to score as well as younger people on traditional intelligence tests; this is most likely due to __________.
A. improper administration of test procedures B. cohort effects C. testing bias D. improper test design
A multiple regression analysis was used to test the values of visual acuity, swing power, and cost of clubs for predicting golf scores. The regression analysis showed that visual acuity and swing power predicted significant amounts of the variability in golf scores, but cost of clubs did not. What can be concluded from these results?
a. Cost of clubs and golf scores are not correlated. b. Cost of clubs adds predictive value above and beyond the predictive value of visual acuity and swing power. c. The regression coefficient of cost of clubs is equal to zero. d. Removing cost of clubs from the overall model will not reduce the model's R2 value significantly.
How are the first degrees of freedom for the interaction in a two-way, between-groups ANOVA calculated?
a. (Number of levels of the first factor + 1) × (Number of levels of the second factor + 1) b. (Number of levels of the first factor ? 1) × (Number of levels of the second factor ? 1) c. (Number of levels of the first factor ? 1) + (Number of levels of the second factor ? 1) d. (Number of levels of the first factor) × (Number of levels of the second factor)
As seen in the organization of the demonstrations that led to the overthrow of Egyptian President Hosni Mubarak, Facebook and other social media can be help establish
a. universal democracy b. social change c. ruling classes d. none of these