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Table 3 Internal Consistency Reliability

From: Validation of the Portuguese version of the Lithium Attitudes Questionnaire (LAQ) in bipolar patients treated with lithium: cross-over study

 

Scale Mean

Scale Variance

Corrected item

Alpha

Question 1

3,7453

9,4107

0,5778

0,7543

Question 2

4,0283

10,904

0,2149

0,7803

Question 3

4

10,2667

0,5044

0,7654

Question 4

4,0094

10,4666

0,42

0,7703

Question 5

3,9717

10,4659

0,3496

0,7732

Question 6

4,066

10,9385

0,2968

0,7779

Question 7

3,6415

10,5179

0,1792

0,7882

Question 8

3,8679

10,8014

0,1311

0,7886

Question 9

3,8585

10,1417

0,3713

0,7715

Question 10

3,8386

9,6788

0,5355

0,7588

Question 11

3,9245

10,0704

0,4628

0,7654

Question 12

3,9811

10,3806

0,4058

0,7701

Question 13

3,6887

9,6069

0,4884

0,7619

Question 14

3,9434

10,1491

0,4538

0,7664

Question 15

3,7547

10,0726

0,3451

0,774

Question 16

3,6792

10,9247

0,547

0,7979

Question 17

3,8868

10,0442

0,4325

0,7671

Question 18

3,9717

10,7135

0,2343

0,7798

Question 19

4,0094

10,3523

0,4828

0,7671

  1. The internal consistency coefficient (Cronbach's alpha) obtained was 0.78 for the total scale and was superior to 0.7 for each of the 24 items, indicating sufficiently homogeneous.