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Table 4 Results of CFA and reliability and consistency coefficients of sub-scale of measurement of QSDI

From: Assessment of psychometric properties of the questionnaire on supervisor-doctoral student interaction (QSDI) in Iran

Factors

 

Items

Mead(sd)

T(cr)a

λb

Cronbach’s alpha

My supervisor

Items

Factors

CD

1

always cooperates, if I want something

4.32(.92)

15.83

.71

.87

.893

8

helps me

4.3(.88)

14.94

.68

.83

13

anticipates possible misunderstandings between us

3.94 (1.22)

8.06

.40

.67

26

supports me

4.45(.79)

12.7

.60

.59

30

reacts enthusiastically about my initiatives

4.28(.93)

12.7

.60

.81

OD

2

humiliates me

4.72(.68)

14.14

.65

.93

.936

10

has a bad temper during our discussions

4.65(.72)

13.92

.64

.91

15

is impatient towards me

4.65(.74)

14.59

.66

.92

31

acts irritable with me

4.56(.8)

11.13

.53

.93

32

is someone I can rely on

4.68(.74)

13.47

.62

.92

SO

3

acts unconvincingly regarding my initiatives

3.74 (1.35)

13.57

.62

.95

.959

5

is unclear during our conversations

3.69 (1.35)

12.42

.58

.95

18

creates an atmosphere of ambiguity during our meeting

3.69 (1.34)

13.78

.63

.95

28

is indecisive about my initiatives

3.29 (1.39)

0.13

.01

.97

34

is uncertain during our meetings

3.7 (1.32)

13.19

.61

.94

38

is timid in our discussions

3.59 (1.39)

2.7

.14

.96

DO

4

is quick to criticize me

3.91 (1.06)

8.15

.40

.84

.894

16

is critical of my work

3.99(.98)

9.03

.44

.91

19

is strict when evaluating my progress

4.05 (1.05)

13.00

.63

.87

20

demands a lot from me

3.73 (1.13)

−0.41

−.02

.87

41

immediately corrects me if I do something wrong

3.85 (1.09)

9.12

.45

.86

CS

6

trusts me

4.35(.94)

12.51

.59

.91

.932

17

listens to me

4.32(.97)

15.53

.70

.9

33

pays attention, if I have something to say

4.22 (1.03)

12.17

.57

.91

37

shares my sense of humor

4.08 (1.11)

11.11

.53

.93

OS

7

disbelieves me

4.32 (1.05)

11.01

.52

.97

.97

11

is dissatisfied about my progress

4.32 (1.04)

12.47

.58

.96

14

thinks I know nothing

4.3 (1.02)

13.53

.62

.96

22

says that I am unskilled

4.35 (1.02)

10.67

.50

.968

25

thinks that I am dishonest

4.33 (1.02)

13.28

.61

.964

36

believes that I am untrustworthy

4.34 (1.02)

10.47

.50

.964

DC

9

gives thorough feedback on my work

4.18 (1.04)

12.03

.56

.91

.93

21

acts confidently when discussing my papers

3.78 (1.26)

5.5

.27

.94

23

always explains comprehensibly when I ask something

4.27 (1.02)

12.59

.59

.91

24

gives me clear guidance

4.12 (1.06)

9.82

.47

.92

27

gives me a lot of advice

4.25(.98)

13.45

.62

.91

29

acts professionally during our meetings

4.1491.02)

10.95

.52

.91

SC

12

follows my proposals

4.09(.94)

11.7

.55

.89

.932

35

allows me to make my own decisions

4.22(.99)

12.63

.59

.87

39

let’s me choose my own direction

4.08(.999)

11.36

.54

.86

40

is easily impressed by me

4.04 (1.02)

8.81

.42

.89

  

QSDI (39 items)

    

.943

  1. aThe calculated values of t for all factor loads of the first and second order are greater than 1.96 and are therefore significant at the 95% confidence level, bThe specific value, which is denoted by the Landa coefficient and the statistical symbol λ, is calculated from the sum of the factors of the factor loads related to all the variables of that factor