Briefly explain the confounds of history and maturation. What ...

[panfilo]

Briefly explain the confounds of history and maturation.
 
  What will be an ideal response?

Question 2

Stratified random sampling and quota sampling are both classified in the category of probability sampling techniques.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[Melissahxx]

Answer to Question 1

History is a threat to internal validity in which an outside event that is not a part of the manipulation of the experiment could be responsible for the results. Maturation is a threat to internal validity in which naturally occurring changes within the subjects could be responsible for the observed results.

Answer to Question 2

False

[panfilo]

Excellent

[xiaomengxian]

Great answer, keep it coming