Sometimes one study disputes the findings of another study. These ...

[formula1]

Sometimes one study disputes the findings of another study. These contradictory findings
 
  A. raise questions and thus may help to advance scientific knowledge.
  B. prove that one study was wrong.
  C. cause the scientists involved to abandon both studies.
  D. accomplish none of the above.

Question 2

In a double-blind placebo-controlled study
 
  A. the control group knows which substance they received.
  B. none of the groups of subjects know which substance they received.
  C. only the scientists know which groups received the substance.
  D. neither the study groups nor the scientists know who received the substance.

[bdobbins]

Answer to Question 1

ANS: A

Answer to Question 2

ANS: D

[formula1]

TYSM

[debra928]

Gracias!