The Taft-Baker Scale (TBS) is a 4-item measure that captures the decisional certainty regarding abortion among women seeking abortion care at study clinics. TBS was developed by abortion counselors and designed to be self-administered to aid providers in preabortion counseling.
Geographies Tested: United States of America
Populations Included: Female
Age Range: Adolescents, Adults
1. I am unsure of my decision to have an abortion.
2. Abortion is a better choice for me at this time than having a baby.
3. I want to have the baby instead of having an abortion.
4. I want to put the baby up for adoption instead of having an abortion.
Strongly agree - 0
Agree - 1
Neither agree or disagree - 2
Disagree - 3
Strongly disagree - 4
Items were summed and transformed to range from 0-100 to create a scale. Lower scores reflect lower levels of decisional uncertainty. Item #3 and Item #4 were reverse coded.
Ralph, L. J., Foster, D. G., Kimport, K., Turok, D., & Roberts, S. C. M. (2017). Measuring decisional certainty among women seeking abortion. Contraception, 95(3), 269-278. https://doi.org/10.1016/j.contraception.2016.09.008
Ease of Use Score
Existing Literature/Theoretical Framework
Field Expert Input
Cognitive Interviews / Pilot Testing