Direct observations By making a field visit to the case study'site', the investigator is creating the opportunity for direct observations You cant do a case study if you dont visit the research site! To increase the reliability of observational evidence, it is sensible to have two or more researchers, formally or casually Each person should have a clear responsibility Each person will remember different things10 Direct Observations • By making a field visit to the case study ‘site’, the investigator is creating the opportunity for direct observations. – You can’t do a case study if you don’t visit the research site! • To increase the reliability of observational evidence, it is sensible to have two or more researchers, formally or casually. – Each person should have a clear responsibility • Each person will remember different things