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PHỤ LỤC 9: KIỂM ĐỊNH ĐỘ TIN CẬY CỦA THANG ĐO THÔNG QUA MẪU KHẢO SÁT SƠ BỘ

9.1 KIỂM ĐỊNH HỆ SỐ CRONBACH’S ALPHA


Case Processing Summary


N

%


Valid

150

100.0

Cases

Excludeda

0

.0


Total

150

100.0

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a. Listwise deletion based on all variables in the procedure.


Reliability Statistics

Cronbach's Alpha

N of Items

.928

6


Item Statistics


Mean

Std. Deviation

N

KTTH1

3.63

.840

150

KTTH2

3.55

.894

150

KTTH3

3.59

.898

150

KTTH4

3.41

.906

150

KTTH5

3.62

.849

150

KTTH6

3.61

.940

150


Item-Total Statistics


Scale Mean if Item Deleted

Scale Variance if Item Deleted

Corrected Item- Total

Correlation

Cronbach's Alpha if Item

Deleted

KTTH1

17.79

14.648

.857

.906

KTTH2

17.87

14.304

.852

.906

KTTH3

17.83

14.735

.772

.917

KTTH4

18.01

14.570

.791

.914

KTTH5

17.80

15.342

.722

.923

KTTH6

17.81

14.587

.751

.920

N of Items

.897

7

Cronbach's Alpha


Item Statistics


Mean

Std. Deviation

N

VTRR7

3.94

.593

150

VTRR8

3.93

.603

150

VTRR9

3.91

.567

150

VTRR10

3.90

.565

150

VTRR11

3.87

.583

150

VTRR12

3.92

.608

150

VTRR13

3.91

.606

150



Item-Total Statistics


Scale Mean if Item Deleted

Scale Variance if Item Deleted

Corrected Item- Total

Correlation

Cronbach's Alpha if Item

Deleted

VTRR7

23.44

7.671

.759

.875

VTRR8

23.45

7.498

.805

.869

VTRR9

23.47

8.076

.659

.886

VTRR10

23.48

7.755

.778

.873

VTRR11

23.51

8.413

.523

.892

VTRR12

23.46

7.888

.663

.886

VTRR13

23.47

7.727

.720

.879


Case Processing Summary


N

%


Valid

150

100.0

Cases

Excludeda

0

.0


Total

150

100.0

a. Listwise deletion based on all variables in the procedure.

N of Items

.920

7

Cronbach's Alpha


Item Statistics


Mean

Std. Deviation

N

CKTH14

4.05

.460

150

CKTH15

4.10

.445

150

CKTH16

3.98

.484

150

CKTH17

4.05

.475

150

CKTH18

3.99

.441

150

CKTH19

4.03

.484

150

CKTH20

3.96

.432

150



Item-Total Statistics


Scale Mean if Item Deleted

Scale Variance if Item Deleted

Corrected Item- Total

Correlation

Cronbach's Alpha if Item

Deleted

CKTH14

24.12

5.194

.768

.906

CKTH15

24.07

5.008

.909

.892

CKTH16

24.19

5.271

.680

.915

CKTH17

24.12

5.019

.833

.899

CKTH18

24.18

5.531

.622

.920

CKTH19

24.14

5.034

.806

.902

CKTH20

24.21

5.511

.651

.917


Case Processing Summary


N

%


Valid

150

100.0

Cases

Excludeda

0

.0


Total

150

100.0

a. Listwise deletion based on all variables in the procedure.

N of Items

.889

4

Cronbach's Alpha


Item Statistics


Mean

Std. Deviation

N

LV21

3.75

.750

150

LV22

3.75

.734

150

LV23

3.70

.702

150

LV24

3.79

.708

150


Item-Total Statistics


Scale Mean if Item Deleted

Scale Variance if Item Deleted

Corrected Item- Total

Correlation

Cronbach's Alpha if Item

Deleted

LV21

11.24

3.754

.678

.887

LV22

11.25

3.449

.843

.823

LV23

11.29

3.766

.745

.861

LV24

11.20

3.705

.765

.854


Case Processing Summary


N

%


Valid

150

100.0

Cases

Excludeda

0

.0


Total

150

100.0

a. Listwise deletion based on all variables in the procedure.

9.2 PHÂN TÍCH NHÂN TỐ KHÁM PHÁ SƠ BỘ


KMO and Bartlett's Test

Kaiser-Meyer-Olkin Measure of Sampling Adequacy.

.716


Approx. Chi-Square

6402.076

Bartlett's Test of Sphericity

df

1711


Sig.

.000


Communalities


Initial

Extraction

KTTH1

.825

.811

KTTH2

.848

.831

KTTH3

.767

.691

KTTH4

.830

.746

KTTH5

.725

.640

KTTH6

.737

.657

VTRR7

.818

.804

VTRR8

.843

.820

VTRR9

.798

.785

VTRR10

.857

.811

VTRR11

.672

.505

VTRR12

.815

.693

VTRR13

.873

.993

CKTH14

.767

.641

CKTH15

.948

.973

CKTH16

.674

.579

CKTH17

.897

.830

CKTH18

.679

.562

CKTH19

.848

.743

CKTH20

.677

.569

LV21

.700

.613

LV22

.854

.851

LV23

.747

.645

LV24

.810

.719

CN25

.723

.702

CN26

.743

.691

CN27

.729

.688

CN28

.698

.647

TG29

.671

.650

TG30

.728

.663

TG31

.679

.584

TG32

.625

.534

TG33

.709

.655

Communalities


Initial

Extraction

PT34

.702

.588

PT35

.696

.626

PT36

.809

.841

PT37

.737

.678

PT38

.674

.596

DM39

.625

.500

DM40

.784

.742

DM41

.800

.829

DM42

.731

.711

DM43

.540

.373

DT44

.563

.418

DT45

.647

.629

DT46

.697

.763

DT47

.615

.442

DH48

.579

.530

DH49

.548

.558

DH50

.621

.622

HH51

.701

.470

HH52

.733

.599

HH53

.885

.746

HH54

.661

.528

HH55

.896

.906

GTTH56

.741

.618

GTTH57

.872

.884

GTTH58

.889

.913

GTTH59

.703

.604

Extraction Method: Principal Axis Factoring.

Initial Eigenvalues

Extraction Sums of Squared Loadings

Rotation Sums of Squared Loadings

Total

% of

Variance

Cumulati

ve %

Total

% of

Variance

Cumulati

ve %

Total

% of

Variance

Cumulati

ve %

1

7.490

12.695

12.695

7.490

12.695

12.695

5.489

9.304

9.304

2

6.342

10.750

23.444

6.342

10.750

23.444

5.447

9.233

18.536

3

4.981

8.442

31.886

4.981

8.442

31.886

4.617

7.826

26.362

4

4.348

7.370

39.256

4.348

7.370

39.256

4.302

7.292

33.654

5

3.848

6.523

45.778

3.848

6.523

45.778

3.993

6.769

40.423

6

3.515

5.957

51.735

3.515

5.957

51.735

3.933

6.665

47.089

7

3.275

5.552

57.287

3.275

5.552

57.287

3.445

5.839

52.928

8

3.017

5.113

62.400

3.017

5.113

62.400

3.390

5.745

58.673

9

2.661

4.510

66.911

2.661

4.510

66.911

3.293

5.581

64.254

10

2.561

4.341

71.252

2.561

4.341

71.252

3.211

5.443

69.697

11

2.455

4.161

75.413

2.455

4.161

75.413

3.144

5.330

75.026

12

1.604

2.718

78.131

1.604

2.718

78.131

1.832

3.105

78.131

13

.998

1.691

79.822







14

.874

1.481

81.303







15

.748

1.268

82.572







16

.679

1.151

83.723







17

.610

1.034

84.757







18

.546

.926

85.683







19

.529

.897

86.579







20

.466

.790

87.369







21

.460

.780

88.150







22

.418

.709

88.859







23

.410

.695

89.554







24

.402

.681

90.235







25

.371

.629

90.864







26

.352

.597

91.461







27

.349

.591

92.052







28

.315

.534

92.586







29

.301

.510

93.095







30

.287

.486

93.582







31

.266

.451

94.033







32

.262

.444

94.477







Compo nent

Initial Eigenvalues

Extraction Sums of Squared Loadings

Rotation Sums of Squared Loadings


Total

% of Variance

Cumulati ve %

Total

% of Variance

Cumulati ve %

Total

% of Variance

Cumulati ve %

33

.250

.424

94.900







34

.244

.413

95.313

35

.219

.371

95.684

36

.216

.365

96.049

37

.205

.348

96.397

38

.193

.327

96.725

39

.182

.308

97.032

40

.177

.300

97.332

41

.172

.292

97.624

42

.155

.263

97.887

43

.144

.244

98.131

44

.131

.223

98.353

45

.126

.213

98.566

46

.117

.199

98.765

47

.108

.183

98.947

48

.096

.163

99.110

49

.087

.147

99.256

50

.079

.135

99.391

51

.072

.123

99.514

52

.070

.118

99.632

53

.060

.101

99.734

54

.051

.087

99.820

55

.045

.076

99.897

56

.038

.065

99.962

57

.023

.038

100.000


58

2.175E-

017

3.687E-

017


100.000


59

1.944E-

018

3.296E-

018


100.000

Compo nent

Extraction Method: Principal Component Analysis.

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