Instrument selection
There was no significant difference in baseline scores for instrument selection for the HL2 and video groups (3.06 ± 0.873 vs. 3.61 ± 1.42, p = 0.246). The HL2 teaching group subsequently had a significantly higher mean score for instrument selection choice when compared to the video group (9.67 ± 0.767 vs. 6.67 ± 1.97, p < 0.0001).