For a perfect positive correlation between two sets of scores, when there is an increase of one
unit in one variable, we would
A) sometimes see a increase of one unit in the other variable
B) sometimes see a decrease of one unit in the other variable
C) always see an increase of one unit in the other variable
D) always see a decrease of one unit in the other variable
C
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Even though there is a decline in the birth rate for U.S. teenagers, the rate of teenage pregnancy in the United States remains __________ compared to other industrialized countries.
A. 2 to 10 times higher B. 5 to 10 times higher C. 2 to 3 times lower D. 3 to 4 times lower
Mirror neurons are those that exist in the eyes, and help us learn by creating a dual image all visual stimuli for the cerebrum to interpret
Indicate whether this statement is true or false.
Which of the following statements about toddlers' vocabularies is true?
A) Most children show a steady rate of word learning that continues through the preschool years. B) Toddlers undergo an initial spurt in vocabulary around 18 months. C) Toddlers transition from a faster to a slower language learning pace around 18 months. D) Young toddlers add to their spoken vocabularies at a rate of three to five words a week.
Fathers are more likely than mothers to treat sons and daughters
a. differently. c. warmly. b. equally. d. according to their individual needs.