“…Information about recording methods was also lacking. Field note rigour was rarely mentioned, and no study described video or audio recording of 'real time' observation -a recording method potentially allowing more in-depth analysis than is possible using field notes alone (Kevin et al, 2007;Latvala et al, 2000). There was insufficient subsequent detail in any paper to be confident about findings being attributable to the direct observation data independent of non-observation data.…”