Which of the following statements best describes the role of random assignment in research?
a. It is used to ensure that researchers don't infringe on people's rights.
b. It is used to ensure that the costs of conducting research studies are within government limits.
c. It is used to ensure that research studies are based on appropriate learning theory.
d. It is used to ensure that groups used in research studies are comparable.
d
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In a few words, the relationship between a word and a referent is not arbitrary
a. True b. False Indicate whether the statement is true or false
Your principal has just budgeted $3000 dollars to buy library books for your grade level to integrate social studies into the curriculum. How would you go about deciding which literature books to buy?
What will be an ideal response?
One relative strength of the ______ as a measure of central tendency is that it ______.
a. mode; is based on all of the scores in the distribution b. mode; isn’t affected by outliers c. mean; describes bimodal distributions d. median; can be used in statistics designed to test research hypotheses
After completing a science unit on weather, the teacher assigns groups to create a visual depiction of the weather cycle. This is an example of a ______.
a. norm-referenced assessment b. criterion-referenced assessment c. written assessment d. classroom-based assessment