Research and Study Findings in Positive Psychology Have Been Criticized

Research and study findings in positive psychology have been criticized for oversimplifying situations and not taking context into account. An example of this has been the work surrounding psychological trait attributions and abusive-relationship dynamics. Which of statement is TRUE regarding the criticisms levied on the studies conducted?

A) Most of the studies conducted have involved couples in abusive relationships and not those involved in nonabusive relationships.
B) Labeling certain traits as positive or negative influences what researchers expect to find, creating observer bias.
C) Since science is essentially value-free, criticism of the research is unfounded.
D) Psychological trait attributions in abusive relationships are applicable only for certain abusive relationships.