Tamara's class experiment involves measuring reaction time. She ...

[Evvie72]

Tamara's class experiment involves measuring reaction time. She uses one timer for the experimental group and a second timer for the control group. Conducting the experiment this way can possibly introduce a confound based on:
 
  a. mortality.
  b. statistical regression.
  c. instrumentation.
  d. maturation.

Question 2

When participants in an experiment communicate with each other, the difference between groups may be reduced. This is called:
 
  a. diffusion.
  b. dissension.
  c. dissemination.
  d. statistical regression.

[xthemafja]

Answer to Question 1

C

Answer to Question 2

A

[Evvie72]

Thank you!

[xthemafja]

Happy to help