Exercise 11 and 16 Essay

1. For the following scores, find the mean, median, and the mode. Which would be the most appropriate measure for this data set?

7. If a study had a result of F(2, 147) = 4.56, p = 0.003, how many groups were in the study, and what was the sample size?

·  Based on your review of the statistics in the study, do you agree with the study’s conclusions? Why or why not?

1.What two factors did you investigate in your procedure, and why did you choose to compare these two factors?

1. The researchers analyzed the data they collected as though it were at what level of measurement?- The correct answer is Interval/ratio.

4. __B_ A small group is measured for the amount of anxiety they experience in math class (baseline). They are taught a relaxation method and measured again to measure

b) What number of credit hours students in this sample are taking would be at the 20th percentile?

c) What is the null and alternative hypothesis? Do the data results lead you to reject or fail to reject the null hypothesis?

25 out of 32 in the experimental group are married (78.1%), 1 is separated/divorced (3.1%) and 6 are single (18.8%). In the control group, 31 are married (86.1%), 1 is separated/divorced (2.8%) and 3 are single (8.3%). The mode is married in each group as that is the value that appears most often. The frequency is

As you stated the authors mention that caution should be utilized when the results are interpreted. The research methods of questionnaires and self-reporting,

2. Discuss the generalizability and validity of the study. For example, will findings of this study generalize to other people and/or situations, can we generalize from the study participants to the general population, and do the methods employed have validity?

a.Were the subjects randomly assigned to the experimental or control groups? If no or yes, what impact does this have on the study?

60). There were 3 groups used for nursing rounds, one was a controlled group, the second group was at one-hourly intervals and the third group was at two hourly intervals. The researchers used a theory to gather information using different methods such as questions or numbers using population in the nursing units for a short time frame. This was an experimental design using different types of groups. The type of research was informative, qualitative, descriptive, graphic, subjective, the use of a means scores, tables, Binomial tests and percentages (2006, pp.62-66). The design used for the collection of the data was a quasi- experiment, the referencing is quantitative and all participants were acknowledged (Meade et al. 2006, p.70). The research did not appear to be a proactive study.

Were the distributions of scores similar for the experimental and control groups for the length of labor? Provide a rationale for your answer. (Grove 79)

a. The study was designed as an experimental research by using independent and dependent variables.