1989
“The effect of inserted questions requiring overt responses on learning a complex procedural skill through instructional video”. Doctoral diss., Indiana University.
. 1989. 1991
“Higher impact instructional videos”. Journal of Extension 29(1). https://archives.joe.org/joe/1991spring/a4.php
. 1991. 2001
“Four-fold: A research model for designing and evaluating the impact of youth development programs”. [4-H] News and Views 54(4): 1, 4-6.
. 2001.