Using computerized literature databases what is the best procedure to narrow a topic to locate a reasonable number of documents?
a. Searching through a Thesaurus of terms
b. Combining terms in your search
c. Limiting the search process to the last 20 years
d. Having a good understanding of your topic at the outset
b
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Explain Piaget's four stages of cognitive development. What is the implication for teaching?
What will be an ideal response?
Kurt Lewin (1967) analyzed the relationships with groups, which has become the basis of group dynamics and action research. Social research is based upon
a. controlled experiments. b. action research that analyze how action groups improve situations . c. the success that has been achieved through the engagement of real activities . d. All of the above.
Answer the following statement(s) true (T) or false (F)
1. A z-statistic of 1.35 is significant at the .05 alpha level for a two-tailed test. 2. A z-statistic of 2.70 is significant at both the .05 and .01 alpha levels for a two-tailed test 3. A statistic with less than a .01 probability is not simply statistically “significant”, but should be referred to as “highly significant”. 4. When reporting the results of a z-test, you should state whether or not the null hypothesis was rejected. 5. If a calculated z-statistic is equal to 2.61, you would report that the sample mean is significantly different from the population mean at the .01 level of significance.
The ______ is used when a researcher collects and analyzes both the quantitative and qualitative data within traditional quantitative or qualitative designs.
A. explanatory design B. convergent design C. sequential design D. embedded design