CH 5 Review Questions

One group of children participated in a study. In one condition they wore a weighted vest, and in the other they worse an unweighted vest. The inferential statistic used to compare the difference between the two conditions is

which of the following difference statistics is an example of a within group comparison

when conducting a t-test, if all other factors are equal, there is more likely to be a statistically significant difference between groups if

what statistic would be most helpful in determining if the impact that an intervention had on an outcome is large enough that it could be clinically significant?

a research study reports that the mean = 5.4, 95% CI [3.2, 7.9]. Which of the following is the best interpretation of the confidence interval?

which statistic give you information about the likelihood of making a Type II error?

A study comparing conventioanl treatment and a new intervention finds no interaction effect, but it does find a main effect for time. Which interpretation of the findings is most accurate?

Adults with traumatic brain injury, schizophrenia, and dementia are compared on a measure of executive function. Which statistic would be used to determine if there is a difference between the three groups?

In a randomized controlled trial with a pretest and posttest, which comparison is most important for determining if the intervention condition is more effective than the control condition

A study compares the percentage of males and females in an OT class with the percentage of males and females in a PT class. Which statistic would be used to determine if there is a difference?