Studies by different researchers	Knowledge of
Studies by different researchers	aims	curriculum	students	Instructional strategies	Subject matter	context	medium of instruction	resources	evaluation	orientations/ beliefs
Shulman (1986)			√	√
Tamir (1988)		√	√	√					√
Grossman (1990)	√	√	√	√
Marks (1990)			√	√	√		√
Magnusson, Krajcik, & Borko (1999)		√	√	√					√	√
An, Kulm, & Wu (2004)		√	√	√	√
Cochran, DeRuiter & King (1993)			√	√	√	√
Hashweh (2005)	√	√	√	√	√	√		√
Henze, Van Driel, & Verloop (2008)		√	√	√					√
Nilsson (2008)				√	√	√
Rollnick, Bennett, Rhemtula, Dharsey & Ndlovu (2008)			√	√	√	√
Jang, Guan, & Hsieh (2009)			√	√	√	√
Chow (2010)	√	√	√	√	√
Davidowitz & Rollnick (2011)		√	√	√	√	√				√
Zou (2014)		√	√	√	√
Kind & Chan (2019)		√	√	√	√			√	√