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. 2021 May 13;8(2):e26078. doi: 10.2196/26078

Table 4.

Measurement model.

Latent and indicator variables Outer loadingsa Cronbach αb  Average variance extractedc Composite reliabilityd
BIe,f
1.000 1.000 1.000

1. BI indicator 1.000


EEg
.857 0.776 0.912

1. EE indicator 0.866



2. EE indicator 0.926



3. EE indicator 0.849


FCh
.874 0.798 0.922

1. FC indicator 0.885



2. FC indicator 0.928



3. FC indicator 0.866


PEi
.885 0.875 0.933

1. PE indicator 0.881



2. PE indicator 0.987


SIj
.446 0.402 0.559

1. SI indicator −0.011



2. SI indicator 0.601



3. SI indicator 0.919


aOuter loadings of ≥0.5 indicate indicator reliability.

bWith a reflective model, internal consistency is measured by Cronbach α; values of ≥.7 indicates good indicator reliability.

cAverage variance extracted values of ≥0.5 indicates convergent validity.

dComposite reliability values of ≥0.5 indicates good internal consistency.

eBI: behavioral intention.

fSingle indicator.

gEE: effort expectancy.

hFC: facilitating conditions.

iPE: performance expectancy.

jSI: social influence.