Item development |
NA |
Review of literature |
Initial item pool developed |
Validity analysis |
2 |
Review by Lyme disease experts |
Average validity measure of 1.2 (1 being very relevant, 5 being not at all relevant) |
Focus groups |
11 students; 6 faculty/staff |
Student focus groups (2); faculty/staff focus group (1) |
Refinement of assessment tool |
Reliability analysis |
34 |
Test-retest method |
Test-retest correlation of 0.66 |
Large-scale pilot study |
333 |
Factor analysis |
12 factors derived accounting for 66% of the variance; elimination of items not associated with a factor |
Use of assessment tool in a Lyme-disease-endemic area |
223 |
Computation of summary statistics and internal reliability measures; factor analysis |
11 factors derived accounting for 66% of the variance |