Name three threats to external validity and explain how they can be avoided.
What will be an ideal response?
Ans: Students’ choices of threats will vary as will their explanations of how to avoid the threats. The section on External Validity however will be helpful in assessing the adequacy of their answers.
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If children are preprogrammed to learn language, then there is probably a ____________________ for developing language
a. schema b. language assessment device c. critical period d. hypothesis test
A goal that can be reached in five to ten years is referred to as a(n):
A) Main goal B) Ultimate goal C) Short-term goal D) Long-term goal E) None of the above
Answer the following statement(s) true (T) or false (F)
Extreme case sampling selects participants who are considered to be typical
During writing workshop, students write on topics:
a) they select b) chosen by their teacher c) from a required list d) related only to content-area study