An instructor asks her students how often they missed class during the semester: “0,” “1 time,” “2–6 times,” “7–15 times,” or “More than 15 times.” This variable may best be described as being measured at the ______ level of measurement.
a. nominal
b. ordinal
c. interval
d. ratio
b. ordinal
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Groups A and B were found to be significantly different on a test of spelling. Group A had been taught a new method of spelling, and Group B was the control group. Although random selection was not possible, subjects were randomly assigned to the two groups. Based on the significance of the study the research concludes that the new method will help children read quicker. The researcher
a. made an interpretation not based on the data. b. needs to consider the limitation of sampling procedures. c. needs to describe the characteristics of the two groups. d. All of these are true.
When an object floats, it does what to the water??
A. ?soaks it up B. ?pushes it up C. ?replaces it
Which of the following is a challenge to mixed methods research design?
a. too many data collection methods b. time-intensive nature of data analysis c. availability of research participants d. no natural setting for qualitative research
As the sample size increases, which of the following is TRUE about the level of confidence?
a. The level of confidence has more of an impact on the width of the confidence interval. b. The level of confidence has less of an impact on the width of the confidence interval. c. The level of confidence has no impact on the width of the confidence interval. d. The level of confidence does not change the width of the confidence interval.