Among the following, which is the major weakness of a ...

[Zoey63294]

Among the following, which is the major weakness of a laboratory-based study?
 a. The costs are usually high
  b. It is difficult to replicate the findings
  c. The results cannot be applied to human beings
  d. Experimental variables cannot be easily controlled

Question 2

In the scientific method, a tentative solution to a problem is called the
 a. theory. b. prediction.
  c. hypothesis. d. correlation.

[jonathanballen97]

Answer to Question 1

c

Answer to Question 2

c