During which period does the infant practice changing basic schemes such as grasping and
sucking so that these schemes are coordinated schemes from different senses?
a. Substage 1: reflexes
b. Substage 2: primary circular reactions
c. Substage 3: secondary circular reactions
d. Substage 4: coordination of secondary schemes
b. Substage 2: primary circular reactions
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Which statement best characterizes the research conducted on adolescent masturbation
a. Ninety percent of boys have masturbated before the age of 13. b. Girls' reports of masturbation may be influenced by social desirability. c. Social desirability has impacted on boys' reported frequency of masturbation. d. None of these answers are correct.
Mindfulness-based therapy is
a) most effective for women. b) most effective for people who have had just one major depressive episode. c) most effective for people who experience recurrent depressive episodes. d) as effective as treatment as usual.