__________ is related to positive sibling interaction
A) High emotional intensity in one sibling
B) Maternal warmth toward both children
C) High physical activity in one sibling
D) Lack of maternal involvement
Answer: B
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As Garrett is learning cross-country skiing, he repeats to himself, "left arm, right foot, right arm, left foot.". Regarding Garrett's verbalization, which of the following statements is FALSE?
a. Garrett is using verbal rules to back up his motor learning. b. Garrett is using this verbalization to clear his mind and to relax him as he performs this skill. c. Garrett's verbalizations will be most helpful in the early phases of skill learning. d. As Garrett's skill becomes more automated, his internal speech may actually get in the way of his performing the skill.
Pruning refers to the elimination of __________.
A. heavily used synapses B. synapses that are not used C. damaged neurons D. every dendrite
Which action will produce a hyperpolarization of a neuron?
a. applying a negative charge inside the neuron with a microelectrode b. applying a positive charge inside the neuron with a microelectrode c. increasing the membrane's permeability to sodium d. decreasing the membrane's permeability to potassium
Confounding variables ____
a. ?are always controlled in correlational studies b. ?can lead to alternative explanations for the results of a study c. ?are possible effects other than the one hypothesized d. ?are only of concern in case studies