“…Since then, a host of articles and summaries about GT have appeared (e.g., Aylott, 1991;Barrera & Teodoro, 1990;Brandon, 1989aBrandon, , 1989bBrandon, , 1990Conneally, 1989;Crowhurst, 199 1;J.Jones, Singh, & Kendall, 1990R. Jones, 1990;Jordan, Singh, & Repp, 1989;Kelley & Stone, 1989;McCaughey &Jones, 1992;McGee, 1990;McGee & Gonzalez, 1990;McGee & Menolascino, 1991;Paisey, Whitney, & Moore, 1989;Turnbull, 1990).…”