“…Class I-Immediate Own Motion was the largest (34 learning environments). Brasell, 1987;Espinoza, 2015;Ferrara, 2014;Metcalf & Tinker, 2004;Nemirovsky, Tierney, & Wright, 1998;Radford, 2009;Robutti, 2006;Solomon, Bevan, Frost, Reynolds, Summers, & Zimmerman, 1991;Struck &Yerrick, 2008;Stylianou, Smith, & Kaput, 2005;Svec, Boone, & Olmer, 1995;Svec, 1999;Taylor, Hutson, Krawiec, Ebert, & Rubinstein, 1995;Thornton & Sokoloff, 1990;Wilhelm, & Confrey, 2015;Wilson & Brown, 1998;Zucker, Kay, & Staudt, 2014**** b Anastopolou, Sharples, & Baber, 2011Holbert & Wilensky, 2014;Noble, Nemirovsky, Wright, & Tierney, 2001;Russell, Lucas, & McRobbie, 2003 Class II-Non-immediate Own Motion was the smallest (4 learning environments). The other two classes contained the same amount of learning environments (12 learning environments each).…”