The Following Research Methods Apply to Bemiller's Study of Cheerleading

The following research methods apply to Bemiller's study of cheerleading

A) a participant observation study of one public university's entire athletic season including attendance and observation of cheerleaders at all sporting events.
B) subjects recruited from several public universities' cheerleading squads using a snowball sampling technique, focus groups, and interviews.
C) subjects recruited from one public university's cheerleading squad using convenience sampling, focus groups, and interviews.
D) a national sample of university cheerleading squads using random sampling techniques and a survey questionnaire.