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Table 1 Comparison of loadings (λ) and communalities (h2) of the items of the SPEED tool obtained in principal component analysis and exploratory factor analysis

From: Validity of the scan of postgraduate educational environment domains (SPEED) questionnaire in a rural general practice training setting

Items PCA EFA
λ h 2 λ h 2
Item 1 The supervisors are respectful towards registrars 0.82 0.67 0.84 0.70
Item 2 The supervisors are approachable and helpful 0.83 0.69 0.85 0.72
Item 3 I feel part of the team working here 0.79 0.62 0.82 0.68
Item 4 My supervisors are all in their own way positive role models 0.85 0.73 0.87 0.76
Item 5 The training in this post prepares me for my future career 0.78 0.60 0.81 0.65
Item 6 My supervisor supports me in difficult situations e.g. critical incidents 0.84 0.71 0.85 0.73
Item 7 The practice/post staff are clear about my duties and responsibilities 0.81 0.65 0.83 0.68
Item 8 The level of autonomy given to me is appropriate to my level of training 0.82 0.67 0.84 0.70
Item 9 Good clinical supervision is available at all times 0.83 0.68 0.86 0.74
Item 10 There are no staff who have a negative impact on the educational environment 0.63 0.40 0.70 0.49
Item 11 In this placement, ECT visits and / or supervisor reports are useful discussions about my performance 0.59 0.35 0.61 0.37
Item 12 My supervisor prevents me from having to perform too many tasks irrelevant to my learning 0.68 0.46 0.70 0.9
Item 13 My supervisor reserves time to supervise/counsel me 0.72 0.52 0.75 0.56
Item 14 Teaching and learning are emphasised in this post 0.82 0.68 0.83 0.70
Item 15 The feedback provided by my supervisor is focused on my strengths and weaknesses 0.80 0.65 0.81 0.65