Dr. Bowman has developed a coding system for aggressive behaviours displayed in comic books. She has her assistants read comic books published between 1980 and 1984 and record the number of aggressive acts displayed in each comic. She also has her assistants read comic books published between 1985 and 1989 and record the number of aggressive acts displayed. This approach to studying aggressive behaviour may best be categorized as

A) survey research.
B) naturalistic observation.
C) writtenrecords.
D) content analysis.

D) content analysis.                                                                

Explanation:

Content analysis: In research, the term "content analysis" is described as a specific research tool that is being utilized to demonstrate the presence of a few specific concepts, words, or themes associated with some present "qualitative data". However, with the use of content analysis a researcher can analyze and quantify the relationships, presence, and meanings of that sort of concepts, words, or themes.

In the question above, the given statement represents content analysis.

answer; i believe the correct answer is (crops);