)consider the trait of courage. describe the advantages and limitations of obtaining informant report data for this trait.

The advantages and limitations of obtaining informant report data for the courage trait are;
Advantages include; 
Large amount of information
Definitional truth based on the observed acts of courage.
Limitations on the other hand include; 
Very little behavioral data,
Error; much more likely to remember acts of courage than non-courageous acts.

The answer would be interphase.