The type of research study being made by John is:
This refers to the type of research which tries to find out the presence of certain data in a qualitative research as a means to find out a pattern.
With this in mind, we can see that John, the sociologist is making use of content analysis to find out the amount of violence in the television shows for the past 5 years.
Read more about content analysis here:
https://brainly.com/question/5557155