A data collection protocol calls for a questionnaire to be administered to patients having knee replacement surgery after the third physical therapy appointment. errors can be introduced into the study by:

Which of these is an example of how the media might perpetuate a sexual stereotype? a) a lesbian couple is shown adopting and caring for a child. b) a lesbian is depicted as masculine. c) a male homosexual is depicted as masculine. d) a homosexual relationship is shown to be commited and monogamous.