What group of adolescents has the highest suicide rate?
a. adolescents in the age range 10-13
b. adolescent boys
c. adolescent girls from poor, inner city neighborhoods
d. adolescents who are from minority groups
B
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From Vygotsky's perspective, what important role does inner speech play?
A) By giving ourselves a sequence of internal directions, we guide ourselves through complex tasks. B) By mentally practicing various grammatical structures, we develop more complex language capabilities. C) By internally speculating about what new words mean, we continue to increase the size of our vocabularies. D) By talking to ourselves about what we should have done or said in a particular situation, we remember that situation more vividly.
If a population is divided into subpopulations and random samples are selected from all subpopulations, the sampling design is:
a. stratified sampling b. cluster sampling c. systematic sampling d. simple random sampling
An aptitude test is administered twice with a time interval between administrations. For which interval will the correlation between the scores on the two occasions be lowest?
a. one week b. one month c. one year
According to the text, the role of technology within education is to serve as a bridge between:
a) instructional design, instructional media, and instructional computing b) basic research and practical problems c) the planning and implementation phases of learning d) the instructional expert and the strategic learner