“…Resistance to new instructional approaches may be caused by insufficient knowledge of handicapping conditions (McGinty & Keogh, cited in Hudson, Reisberg, & Wolf, 1983), attribution of student difficulties to internal pathology (Medway, 1979), lack of skill in implementing instructional strategies (Hawryluk & Smallwood, 1986;Nevin, Paolucci-Whitcomb, Duncan, & Thibodeau, 1982), or concerns about teacher accountability (Heron & Harris, 1987). In these instances classroom teachers may envision failure.…”