Table 6 The power analysis of significant parameters in Tables 3, 4 and 5 between regular and intervention FD modules by self-reported participants’ familiarity, confidence and sustainability for core competency (CC) education after training

I am familiar with delivering CC-based teaching- Teaching clinics

I am familiar with delivering CC-based assessment- Case-based discussion (CBD)

I am familiar with delivering CC-based assessment-mini-CEX

I am familiar with delivering CC-based assessment- OSCE

I am familiar with designing CC-based teaching and assessments

I am familiar with leading CC-based teaching and assessments

I feel confident in delivering CC-based teachings

I feel confident in leading CC-based teachings and assessments

I am sustainably involve in designing and leading CC-based education within 1 year

I am sustainably incorporate CC in leading courses within 1 year