Describe the researcher’s role section in a qualitative research proposal.
What will be an ideal response?
Ans: Answer would ideally include: The researcher must describe his or her role in various aspects of the study. For example, there will likely be discussions and negotiations regarding access to the site and potential participants. Additionally, the researcher should describe the specific role(s) he or she will play; in other words, and as an example, the researcher may act exclusively as an observer in the process or may be an active participant who is also observing the interactions of a group.
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Organizing material to be learned (as in the text illustration involving minerals) is an effective information-processing technique because it
a. eliminates the need to use mnemonic devices. b. increases the capacity of short-term memory. c. makes use of both maintenance and elaborative rehearsal. d. provides cues and reduces the number of individual items to be learned.
Explain what a percentile rank indicates. Interpret a percentile rank of 85
What will be an ideal response?
Using the following information, calculate the z-statistic for the z-test for one mean. 
= 31.75 ? = 25.67 
= 2.45
a. 2.48 b. –2.48 c. .10 d. -.10
You decide to conduct the analytical comparison of Watching vs. Predicting. Based on your calculations, which of the following represents the decision regarding the null hypothesis and the conclusion regarding whether the result of the analysis supports the research hypothesis?
What is an effective way of learning a complicated game such as chess? One recent study (de Bruin et al., 2007) had people learn using one of three methods: watching people play the game (the Watching condition), watching and making predictions regarding what moves each player would do (the Predicting condition), or watching and making predictions regarding what moves each player would do and explaining the reason for their prediction (the Explaining condition).
Later, each person played a series of games of chess against a computer and the percentage of time each person made correct moves was recorded; the higher the percentage, the better the player’s ability to play chess. The researchers hypothesized that players who had to explain their predictions would have a higher ability than people who simply made predictions, who in turn would have a higher ability than those who simply watched others.
a. Reject H0 (p < .05); the analysis supports the research hypothesis
b. Do not reject H0 (p < .05); the analysis supports the research hypothesis
c. Do not reject H0 (p > .05); the analysis does not support the research hypothesis
d. Reject H0 (p > .05); the analysis does not support the research hypothesis