“…This can be done in several ways. One is to give an end-of-term exam and then to later readminister it or questions selected from it (Glasnapp, Poggio, & Ory, 1978;Halpin & Halpin, 1982). To avoid possible testing effects, some researchers create a retention test covering the same material but with different questions (Breland & Smith, 1974;Robin & Graham, 1974;Runquist, 1983;Semb, Ellis, & Araujo, 1993).…”