The introduction of personal computers and their use in statistical analyses have been both good and bad. Give an example of a “good” reason and one example of a “bad” reason.
What will be an ideal response?
Ans: GOOD: Most statistical analyses no longer require access to a huge and expensive mainframe computer; a simple computer, typically costing less than $500, can do most of what’s needed. BAD: Less-than-adequately-educated students will take available data and think that by running those data through a sophisticated analysis they will have reliable, trustworthy, and meaningful outcomes when they do not.
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Identify the incorrect sentence.
a. Half of the people in the crowd are growing impatient. b. Half of the students are absent. c. Half of the milk were drunk by the children. d. Half of the class is absent today.
What can be said about the effectiveness of Koehler's case-based learning in teacher education?
a. student teachers who learned with an online hypermedia program that contained episode cases could apply the knowledge to new situations b. student teachers who learned with an online hypermedia program that contained episode cases showed a deep understanding c. both of the above d. none of the above
Using artifacts enhances children's:
a. historical comprehension b. understanding of events c. sense of routine d. recognition of materials
If you want to examine the difference among the average scores of three unrelated groups, which of the following statistical techniques should you select?
a. regression b. dependent-samples t-test c. analysis of variance d. independent-samples t-test