What is the limitation of BSRI?

People may not have insight into their gender identity; asking people to rate themselves on a questionnaire relies on people having an understanding and personality that they may not necessarily have. The scoring system is also hypothetical and gender is subjective meaning BSRI may not be an objective and scientific way of assessing gender identity Temporal validity- it was developed over 40 years ago and regarded as acceptable in those times but now gender has changed