Experimental validation of self-instructional modules on the topic of donor phlebotomy.

This validation study investigated the effectiveness of an instructional unit on the topic of donor phlebotomy. The unit consisting of 3 modules based on a videotape and 3 booklets covered (1) donor selection, (2) donor arm preparation, (3) donor phlebotomy. A separate-sample pretest-post-test design was used. All 3 modules were found to be instructionally effective as measured by objective referenced tests. Student appraisal data also was collected for the purpose of revising and improving these materials.