Shanghai for Potentially, these changed beliefs may alter subsequent behaviour. For example, a study examining beliefs and intentions about future, hypothetical genetic testing uptake for breast cancer e.g. Morrison et al. asked participants to rate their attitudes towards genetic testing, their outcome expectancies, perceived benefits of, or barriers to testing, and their intention to undertake testing were it to become available. For some individuals, this type of questioning probably caused them to think about something they may not have done previously. The questions provide information to the participant about the behaviour e. Shanghai 2016.