people can be trained to ignore the video recorder golf instructors do not know how to properly use video technology golfers are less able to deal with criticism than other athletes video might not be reliable in properly diagnosing a golf swing
People often perform differently when they know that they are being videotaped than they would if they were performing the same task without being recorded. In recent years, golf instructors have increasingly been making use of tape-recorded sessions to help instruct their students. These instructors often videotape their students' swings in order to show their students what flaws exist in their swings.
The observations above provide most evidence for the conclusion that