Scores of final 27 items
The mean score of all the respondents was 62.5 (range 51 – 75, SD
8.60). With strongly disagree converted to 0, strongly
agree converted to 3 and reversed scoring on negatively worded items,
the minimal and maximal score obtainable in the instrument on the
4-point Likert scale was 0 and 81. This derives a mean percentage score
of 77.2% in the overall instrument. The percentage score of the three
subscales were 84.0% in trainer support and supervision, 69.4% in
operating opportunities and 80.7% in theatre atmosphere. Item “I
feel that I have autonomy in theatre ” had the highest percentage score
of 90.2% and item ”There is too much time pressure on elective
lists for me to get the most out of theatre teaching ” had the lowest
percentage score of 56.9%.
The final instrument at the end of the validation process consists of 27
items (Appendix. 1)