A researcher was interested in evaluating an intervention th…
A researcher was interested in evaluating an intervention that would impact body mass. The researcher was also interested in evaluating if there were sex differences in body mass. The researcher recruited 10 males and 10 females for the study. For the 10 males, 5 males were randomly assigned to the intervention and 5 males were randomly assigned to a control condition. Similarly, for the 10 females, 5 females were randomly assigned to the intervention and 5 females were randomly assigned to a control condition. Based on the information provided, what statistical technique produced the table above?
Read DetailsA researcher was interested in comparing 3 group conditions:…
A researcher was interested in comparing 3 group conditions: Meditation, Progressive Muscle Relaxation PMR), and a Control condition on heart rate. 28 freshmen undergraduates from USF were randomly selected. From these 28 students, 13 were randomized to the Control Condition, 8 were randomly assigned to Meditation, and 7 were randomly assigned to Progressive Muscle Relaxation. Using a .05 level of significance is there a statistically significant difference between PMR and Meditation?
Read DetailsIf a researcher was planning a randomized controlled trial t…
If a researcher was planning a randomized controlled trial to evaluate the effect of an exercise intervention (intervention group vs. control group) on blood pressure, in which situation would you need a larger sample size to achieve the same level of power. Assume all other factors are kept the same.
Read DetailsA researcher was interested in evaluating if there was a rel…
A researcher was interested in evaluating if there was a relationship between participants’ academic class rank in high school (e.g., 1st, 2nd, 3rd, etc.) and their class rank in College (e.g., 1st, 2nd, 3rd, etc.). What statistic would you use?
Read Details