Week 7 assignment – chapter 11/no plagarism professor uses turnitin

Chapter 11

1. Describe a suitable study in which a research scientist would want to make use of a t-test instead of any of the other statistical operations discussed thus far
2. Describe the differences between a dependent samples test and an independent samples test.
3. A researcher wants to test the hypothesis that defendants who plead guilty are sentenced more leniently than those who insist on going to trial. The researcher measures the plea decision as guilty plea or trial and the sentence as the number of months of incarceration to which defendants were sentenced.
   • what is the independent variable?
   • what is the level of measurement of the independent variable?
   • what is the dependent variable?
   • what is the level of measurement of the dependent variable?

4. A researcher wants to test the hypothesis that defendants who are released on bail are more likely to be convicted than those who are unable to post bail or are denied it. The researcher measures pretrial release as released or detained and calculates the proportion within each group that is convicted.

• what is the independent variable?
• what is the level of measurement of the independent variable?
• what is the dependent variable?
• what is the level of measurement of the dependent variable?