Characteristics
Domains assessed:
Conceptual Knowledge
Specific context:
Environmental
Validation sample population age:
Adults: 18 to 64 years
Modes of administration in validation study:
Paper and pencil, Mailed survey, Computer-based
Psychometrics
Number of items:
6
Sample size in validation study:
869
Language of validated version:
English
Main article reference
Irvin, V. L., Rohlman, D., Vaughan, A., Amantia, R., Berlin, C., & Kile, M. L. (2019). Development and Validation of an Environmental Health Literacy Assessment Screening Tool for Domestic Well Owners: The Water Environmental Literacy Level Scale (WELLS). International journal of environmental research and public health, 16(5), 881. doi:10.3390/ijerph16050881
Corresponding author
Veronica Irvin
Description
A environmental health literacy screening tool for adults.
Year Measure first Published: 2019
About This Measure
Categorical scoring:
Yes
Scoring categories:
WELLS is a six-item scale and each correct response was awarded one point. Scores are assigned from zero to six, with one point for each correct answer. Higher scores relate to higher health literacy.
-Low (score of 0–2)
-Medium (score of 3 or 4)
-High (score of 4 or 6)
About the Validation of this Measure
Country where validated:
United States of America
Content validity:
The WELLS scale was developed using guidelines from DeVellis. Content validity was assessed through scale adaptation from the NVS and from expert reviews.
Reliability (Cronbach Alpha):
0.51
