Mailed questionnaires are generally ____ than face-to-face interviews

a. less expensive c. easier for respondents to interpret
b. more anonymous d. less representative of the population


A

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Vygotsky is remembered primarily for identifying what he called the ____________________

Fill in the blank(s) with correct word

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What is known as "cell theory" is not really a theory but a hypothesis

Indicate whether the statement is true or false.

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Which of the following barriers is generally NOT considered an external barrier:

a) underlying beliefs that contradict the use of computers b) time to learn the new software c) cost of the ancillary items that need to be purchased in order to make the hardware run properly (e.g., ink cartridges, paper) d) personnel to train about new hardware and network systems

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State the critical value(s) for a t test using a two-tailed test at a .05 level of significance: t(20

A. ±1.725 B. ±2.093 C. ±2.086 D. ±0.687

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