Marta is able to focus for a longer period of time than her younger sister. Her ability is based on development of which skill?
A) metacognition
B) attention
C) mediation
D) conservation
B) attention. Attention is the ability to focus on a particular stimulus without becoming distracted by other stimuli.
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Which statement about leptin is TRUE?
A) It is produced in the stomach. B) It signals the brain to switch hunger on. C) When injected into rats, it leads to obesity. D) It decreases the reinforcing value of food.
In _________ conditioning the focus is on how organisms form anticipations about the environment; in _______ conditioning the focus is on what the organism does to act on the environment
a. classical; operant c. higher-order; classical b. operant; classical d. operant; higher-order
Many gay and male bisexual youths report a history of feeling unattached and alienated—most probably because heterosexual dating was often a focal point in peer group bonds
Indicate whether the statement is true or false
In experiment brief 20, what other likely explanation might account for the result which indicated that performance decreased significantly just before the last task?
A) increased concern for asserting power B) lack of concern for productivity due to amount of time spent C) desire of certain group members to sabotage the productivity of the group D) some group members terminated participation before the fifth task