If the internal validity of a study is low, it is difficult for a ...

[nautica902]

If the internal validity of a study is low, it is difficult for a researcher to
 
  A) use control techniques B) show correlations between variables
  C) generalize results to other situations D) make cause-and-effect conclusions

Question 2

Good experimental control leads to ________ experiments.
 
  A) internally valid B) externally valid
  C) confounded D) controlled

[ynlevi]

Answer to Question 1

Awesome job my friend

Answer to Question 2

Props to you, cheers.