A researcher wants to determine how citizens of Indianapolis feel about the mayor's proposed changes for the Indianapolis public school system. Which of the following sampling procedures would you recommend to this researcher?
a. Insert a questionnaire in the magazine, Indianapolis Monthly, and ask readers to complete and return the questionnaire.
b. Procure a list of voters from the city clerk's office and draw a random sample to receive the questionnaire.
c. Draw a random sample from the Indianapolis telephone directory to receive the questionnaire.
d. Take a random sample of 100 blocks from a city map and interview all the adults in those blocks.
Ques. 2Which of the following represents Vygotsky's concept of a psychological tool?
a. gestures
b. formulas
c. memory techniques
d. All of these answers.
Ques. 3A researcher interested in studying test anxiety in college students gave an anxiety inventory to random-samples of freshmen, sophomores, juniors, and seniors at their university at the beginning of the academic year. What type of survey research does this study represent?
a. Panel c. Cohort
b. Trend d. Cross-sectional
Ques. 4Ms. Fortunato, a secondary school teacher in the United States, is interested in how Piaget's findings might apply to children in preindustrial countries. Recent evidence suggests that
a. formal operational thought is evident only in industrialized countries.
b. the sequence of Piaget's stages is culturally dependent.
c. while the sequence of stages appears to be culturally universal, the rate of development may vary cross- culturally.
d. rates of development are consistent in most cultures, but many children in tribal communities skip the formal-operational stage of development.