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Table 1 Details for the participants in each phase of the study

From: Design and validation of brucellosis prevention questionnaire focused on animal vaccination

Phase of study

Participants’ job and number male(m) + female(f)

Assessment measure or target

Livestock breeder

Health educationist

Veterinarian

Experts from a vaccine providing institute

Item generation

 Interviews

6 m

4(1 m + 3f)

4(3 m + 1 f)

3 m

Identifying the factors influencing preventive behavior of livestock breeders

 Group discussion

0

3f

3 m

3 m

Finalizing the first draft of the research questionnaire

Assessment of face validity

 Qualitative way

15 m

7(2 m + 5f)

  

Resolving ambiguity in meaning, wording, grammatical errors and allocation of the items

 Quantitative way

15 m

0

0

0

Calculating IS of the items

Assessment of content validity

 Qualitative way

0

7(2 m + 5f)

7(5 m + 2f)

3 m

Calculating CVR of the items

 Quantitative way

0

7(2 m + 5f)

7(5 m + 2f)

3 m

Calculating CVI of the items

Assessment of construct validity

 EFA

212 m

0

0

0

Calculating KMO of the questionnaire; factor loadings

 CFA

220 m

0

0

0

Calculating fit indices of the structural behavioral model

Reliability assessment

42 m

0

0

0

Calculating Cronbach’s α, ICC,SEM,CR of the questionnaire