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Table 3 Reliability and validity of the MGDB scales

From: Model of goal directed behavior for limiting Latino preschoolers’ television viewing: validity and reliability

MGDB scaleCronbach’s alphaTest-retest Pearson correlation among controls [95% CI]Test-retest agreement: ICCs among controls [95% CI]Spearman correlation with child TV viewing [95% CI]
Attitudes (n = 15)0.620.44 [0.22–0.62]0.45 [0.22–0.62]− 0.11 [− 0.27–0.06]
Perceived behavioral control (n = 17)0.610.28 [0.03–0.49]0.28 [0.03–0.49]− 0.10 [− 0.26–0.06]
Subjective norms (n = 9)0.720.46 [0.24–0.64]0.44 [0.22–0.62]0.00 [− 0.16–0.17]
PNAE (n = 29)0.770.44 [0.21–0.62]0.42 [0.19–0.60]− 0.02 [− 0.19–0.14]
Habits (n = 9)0.790.59 [0.40–0.73]0.59 [0.40–0.73]− 0.14 [− 0.30–0.02]
Self-efficacy (n = 14)0.830.35 [0.11–0.56]0.35 [0.11–0.56]− 0.08 [− 0.24–0.08]
Desires (n = 7)0.52   
Desires Factor 1 (n = 5)0.670.66 [0.48–0.78]0.66 [0.49–0.78]− 0.07 [− 0.23–0.10]
Intentions (n = 10)0.700.45 [0.22–0.63]0.45 [0.22–0.62]− 0.06 [− 0.22–0.10]
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