Interobserver agreement is assessed with nominal or ordinal ...

[lb_gilbert]

Interobserver agreement is assessed with nominal or ordinal variables by calculating
 
  a. percentage of agreement
  b. correlation coefficient
  c. t-test
  d. coefficient alpha

Question 2

Experimental research, as opposed to nonexperimental research, allows us to make statements about cause-and-effect relationships. Why is this so?
 
  a. Experimental research involves studying only how two variables covary.
  b. Experimental research uses statistical analysis.
   c. In experimental research, we can observe the effects of manipulating variables under controlled
  conditions.
  d. Experimental research uses objective observations.

[ttt030911]

Answer to Question 1

A

Answer to Question 2

C

[lb_gilbert]

Great answer, keep it coming

[cassie_ragen]

Excellent