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Table 8 Item-total correlation for the mirror effects inventory (N = 221)

From: Principal component analysis: development and initial validation of the mirror effects inventory

Item

Pearson’s r

Alphaa

Mean (SD)

Mirror Effects Inventory total

 

.88

121.50 (13.38)

General mirror effect

 

.90

18.16 (3.64)

 (G1) I feel in control of my problem

.77

.87

3.61 (0.76)

 (G2) I execute the learned knowledge and/or skill to deal with significant events

.82

.86

3.70 (0.81)

 (G3) I learn to handle significant events

.84

.85

3.67 (0.85)

 (G4) I learn to solve interpersonal conflict

.67

.89

3.52 (0.80)

 (G5) I gain insight

.68

.90

3.64(1.09)

Positive mirror effect

 

.88

68.05 (7.11)

 (P1) I discern the use of interpersonal skills

.45

.87

3.80 (0.58)

 (P2) I develop a positive attitude to deal with difficulty

.50

.87

3.92 (0.55)

 (P3) I recall past events

.35

.88

3.72 (0.86)

 (P4) I associate similar experiences

.54

.87

3.80 (0.80)

 (P5) I re-evaluate the pain of stressful events

.53

.87

3.82 (0.76)

 (P6) I modify unrealistic expectations

.49

.87

3.64 (0.78)

 (P7) I feel being ventilated

.47

.87

3.39 (0.92)

 (P8) I express suppressed emotion

.57

.87

3.46 (0.84)

 (P9) I gain support from my classmates

.45

.87

3.63 (0.69)

 (P10) I gain support from my teachers

.54

.87

3.62 (0.73)

 (P11) I regain vigor

.63

.87

3.75 (0.70)

 (P12) I inspire new thinking

.52

.87

4.00 (0.57)

 (P13) I find a clear goal

.61

.87

3.73 (0.61)

 (P14) I gain new perspective

.54

.87

3.92 (0.57)

 (P15) I develop self-reflection

.48

.87

4.12 (0.50)

 (P16) I develop self-criticism

.49

.87

3.86 (0.67)

 (P17) I evaluate myself

.52

.87

3.91 (0.61)

 (P18) I gain self-knowledge

.46

.87

3.95 (0.57)

Negative mirror effect

 

.96

35.30 (11.06)

 (N1) I use negative approach to handle problem

.51

.96

2.61 (1.06)

 (N2) I indulge in problematic situation and/or imagery

.70

.95

2.70 (1.01)

 (N3) I indulge in negative feelings

.68

.95

2.32 (0.90)

 (N4) I have low self-confidence

.81

.95

2.56 (0.97)

 (N5) I feel of low courage

.85

.95

2.47 (0.96)

 (N6) I avoid solving the problem

.77

.95

2.62 (0.98)

 (N7) I escape from the situation

.76

.95

2.53 (0.92)

 (N8) I feel fear

.86

.95

2.46 (0.97)

 (N9) I feel sorrow

.77

.95

2.68 (1.11)

 (N10) I feel regret

.75

.95

2.78 (1.10)

 (N11) I feel shame

.86

.95

2.47 (1.03)

 (N12) I feel rejected

.87

.95

2.34 (0.93)

 (N13) I blame other people

.73

.95

2.24 (0.93)

 (N14) I blame myself

.75

.95

2.52 (1.02)

  1. aIndicates internal consistency of remaining items if the elected item were deleted from the total score