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Table 3 Test re-test reliability of survey items and avatars

From: Attitudes and avatars instrument: development and initial testing

Item

Test Re-Test Reliability Intraclass Correlation

Response choices

Attitude Overall Scale

0.70

 

My…

 

Too small, just right, or too big

Head/neck is

1.00

 

Chest is

0.69

 

Stomach is

0.74

 

Arms are

0.63

 

Butt is

0.80

 

Legs/thigh are

0.33

 

I like my…

 

Strongly disagree, disagree, agree or strongly agree

Head/neck

0.47

 

Chest

0.77

 

Stomach

0.84

 

Arms

0.81

 

Butt

0.80

 

Legs/thighs

0.72

 

It is important for me to change my…

  

Head/neck

0.47

 

Chest

0.64

 

Stomach

0.82

 

Arms

0.77

 

Butt

0.41

 

Legs/thighs

0.76

 

I am a good weight for my height.

0.76

 

When you look at yourself, how do you describe your weight?

0.97

Underweight, about right weight, a little overweight, overweight, or very overweight

Current Avatar body parts

 

Computer-generated by the boys

Head

0.56

 

Neck

0.56

 

Upper arm

0.73

 

Forearm

0.69

 

Chest

0.60

 

Waist

0.74

 

Hip

0.58

 

Mid-thigh

0.76

 

Calf

0.62

 

Preferred Avatar body parts

 

Computer-generated by the boys

Head

0.52

 

Neck

0.59

 

Upper arm

0.83

 

Forearm

0.58

 

Chest

0.80

 

Waist

0.51

 

Hip

0.66

 

Mid-thigh

0.47

 

Calf

0.49