Scale Mean if Item Deleted

Scale Variance if Item Deleted

Corrected Item-Total Correlation

Squared Multiple Correlation

Cronbach’s Alpha if Item Deleted

b1

115.73

249.418

0.951

.

0.847

b2

115.91

233.891

0.848

.

0.849

b3

116.27

235.818

0.928

.

0.844

b4

113.64

317.455

−0.326

.

0.882

b5

115.45

240.273

0.814

.

0.851

b6

115.00

248.400

0.691

.

0.859

b7

115.00

233.400

0.916

.

0.844

b8

117.45

289.273

0.561

.

0.868

b9

118.45

301.273

0.246

.

0.876

b10

119.45

297.273

0.600

.

0.870

b11

113.55

316.273

−0.291

.

0.881

b12

118.36

299.855

0.186

.

0.879

b13

117.91

302.491

0.274

.

0.875

b14

115.09

281.491

0.798

.

0.862

b15

114.09

286.691

0.808

.

0.864

b16

115.82

291.764

0.426

.

0.871

b17

116.64

314.055

−0.095

.

0.903