What is the first evidence of handedness seen in humans?
a. Prenatally, fetuses show a hand preference in thumb sucking.
b. At birth, infants will turn their head in one direction more than another.
c. As infants, babies will reach using one hand more than another.
d. As toddlers, children will often stumble and catch themselves with one foot over the other.
A. Handedness is seen prenatally.
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A research study finds that responsive parenting positively correlates with children's grades in school. From this study, we can conclude that __________.
A. as responsive parenting increases, children's grades also improve B. as responsive parenting increases, children's grades do not improve C. responsive parenting causes improvements in children's grades D. responsive parenting is unrelated to children's grades
There is evidence that depressed children and adults underutilize the neurotransmitter
a. norepinephrine. b. serotonin. c. testosterone. d. adrenaline.
According to research, increased conformity to gender roles during early adolescence occurs especially for adolescents
a. whose parents encourage gender-role conformity. b. whose parents are divorced. c. who come from large single-parent families. d. who attend all-girl or all-boy schools.
In a study of frustration and aggression, some participants were exposed to an accomplice who insulted them, and others were exposed to no such insult
Participants were then allowed to recommend whether the accomplice should be fired. Those who were insulted were more likely to retaliate by recommending that the accomplice lose his job. In this experiment, the ________ was the dependent variable. a. presence or absence of an insult b. accomplice c. participants' recommendations d. difference between the groups