Search your local library for these articles by author Huey T. Chen.

Chen, H. & Garbe, P. (2011). Assessing program outcomes from the bottom-up approach: an innovative perspective to outcome evaluation. Chen, H., Donaldson, S., Mark, M., (eds.) Advancing Validity in Outcome Evaluation: Theory and Practice.  New Directions for Evaluation (Vol. 130). San Francisco: Jossey-Bass.

Chen, H., Donaldson, S. & Mark, M. (2011). Campbellian validity typology in the context of program evaluation: Concepts, accomplishments, predicaments, and beyond. Chen, H., Donaldson, S., Mark, M. (eds.) Validity in Outcome Evaluation: Theory and Practice. New Directions for Evaluation (Vol. 130). San Francisco: Jossey-Bass.

Chen, H. (2010). The bottom-up approach to integrative validity: A new perspective for program evaluation. Evaluation and Program Planning, 30(3): 205-214.

Chen, H., Grimley, D., Waithaka, Y., Aban, I., Hu, J., & Bachmann, H. (2008).  A Process evaluation of the implementation of a computer-based, health provider-delivered HIV prevention for HIV positive men who have sex with men in the primary care setting. AIDS Care, 20(1): 51-60.

Chen, H., Liang, S., Liao, Q., Wang, S., Schumacher, J., Creger, T., Wilson, C., Dong, B., & Vermund, S. (2007). HIV voluntary counseling and testing among injection drug users in South China: A pilot study of a non-government organization based program. AIDS and Behavior, 11, 778-788.  

Chen, H. (2006). A theory-driven evaluation perspective on mixed methods research. Research in the Schools, 13(1): 74-82.

Chen, H. (1997). Normative evaluation of an anti-drug abuse program. Evaluation and Program Planning, 20(2):195-204.

Chen, H. & Rossi, P. (1992). Introduction:  Integrating theory and practice in evaluations.  In H. T. Chen & P. H. Rossi (Eds.), Theory and Practice in Program and Policy Evaluation (1-12). Westport, CT: Greenwood.

Chen, H. & Rossi, P. (1989). Issues of the theory-driven perspective. Evaluation and Program Planning, 12, 299-306.

Chen, H. & Rossi, P. (1987). The theory-driven approach to validity.  Evaluation and Program Planning, 10, 95-103.

Chen, H. & Rossi, P. (1980). The multi-goal, theory-driven approach to evaluation:  A model linking basic and applied social science."  Social Forces, 59(1): 106-122.