Nine-month-old Keisha watches her ball bounce down the stairs. As she approaches the top of the stairs, she backs up and hesitates to go down the stairs. This indicates that Keisha has developed ____.?

a. ?perceptual constancies
b. ?binocular vision
c. ?depth perception
d. ?proximity


ANSWER:
c

Psychology

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Once our style of life has been created, it will:

a. remain constant throughout life. c. replace the goal of achieving superiority. b. guide behavior only through adolescence. d. change only when the environment changes.

Psychology

Professor Bling tells her class that our visual system produces an effect called lateral inhibition so that

A. color contrast is produced. B. edges or boundaries can be identified. C. movement is sensed. D. the blood vessels of the eye are not perceived.

Psychology

Research on marriage in the United States has shown that ______________________________

a. most divorces take place during midlife b. nearly three-fourths of midlife adults describe their marriage as "okay" or "acceptable" c. midlife married couples often describe their spouse as their best friend d. only those who report high levels of passion maintain high marital satisfaction in midlife

Psychology

In earlier eras, the "rabbit test" for whether a woman is pregnant worked due to the presence of ________ in a pregnant woman's urine

A) poison B) luteinizing hormone C) estrogen D) human chorionic gonadotropin

Psychology