Ch 10 Review Questions

The use of Bonferroni correction protects against what type of validity concern?

Research shows that boys are four times more likely to have an autism spectrum disorder than are girls. Which study below would have the best external validity?

Which threat to validity is protected when a new intervention is compared with a treatment as usualy control group that receives the same amount of attention

To increase the power of a study, the researcher increases the alpha level from 0.05 to 0.10. In doing so, this increases the chances fo what?

By its nature, an effectiveness study will have greater

Which of the following threats to validity is NOT protected with the use of a control group?

If a researcher conduvts a one-group, pretest-posttest study in which the intervention is a one time event that takes place over a 1 hour time period, which of the following threats to validity would you be most concerned about?

which of the following protections is the most challenging to provide in rehabilitation research

When clinicians want to know if a study can be generalized to the situation in which they work, they are most interested in what type of validity?

A study with five participants in each group finds no difference between the intervention and control groups. In this case, you would be most concerned about which type of error