Studies with problems in internal validity automatically will ...

[daltonest1984]

Studies with problems in internal validity automatically will have problems with:
 
  A) external validity
  B) instrumentation
  C) mortality
  D) reliability

Question 2

Research has shown that Asian men tend to have a greater sensitivity than white Europeans to codeine, and they experience significantly weaker effects from the drug. This is an example of cultural variations of:
 
  a. Biological variations
  b. Space
  c. Social organization
  d. Time perception

[ryhom]

Answer to Question 1

A

Answer to Question 2

A
Biological variations are the physical, biological, and physiological differences that exist between racial groups and distinguish one group from another.

[daltonest1984]

Thank you

[ryhom]

Happy to help you