Automating an experiment can a. greatly reduce the possibility ...

[Melani1276]

Automating an experiment can
 
  a. greatly reduce the possibility of experimenter effects.
  b. be a source of an experimenter effect.
  c. eliminate the need for a control group.
  d. prevent the occurrence of a floor effect.

Question 2

An English teacher is interested in whether using computer writing assignments will improve his students' writing skills. He decides to use the computer writing assignments in one of the two freshman English classes that he teaches. Which type of quasi-experimental design do you recommend for this study? Why?
 
  What will be an ideal response?

[ergserg]

Answer to Question 1

A

Answer to Question 2

A nonequivalent control group pretest/posttest design would be best here. The teacher could use one of the classes as the nonequivalent control group and the other as the experimental group. The pretest would help to identify any difference in writing ability between the two classes before the experiment began. The posttest would identify any changes in each group after the experiment