Table 1.

Participant group of interest in the reviewed studies.

Participant group	Study
Undergraduate students	Al-Emran et al., 2016; Al-Otaibi et al., 2016; Alioon and Delialioglu, 2015; Althunibat, 2015; Barbosa et al., 2012; Bellina and Missoni, 2011; Boulos et al., 2006; Briz-Ponce et al., 2017; Chang et al., 2016; Cheon et al., 2012; Cho et al., 2017; Chuang, 2015; Crane et al., 2011; Davies et al., 2012; Felisoni and Godoi, 2018; Fitzpatrick et al., 2012; Fouh et al., 2014; Frank and Kapila, 2017; Fuller and Joynes, 2015; Gikas and Grant, 2013; Gromik, 2012; Heflin et al., 2017; Jeno et al., 2017; Karimi, 2016; Kim et al., 2017; Koç et al., 2016; Kuznekoff et al., 2015; Kuznekoff and Titsworth, 2013; Lackovic et al., 2017; Lam and Duan, 2012; Lan et al., 2012; Lin and Lin, 2015; Martí and Ferrer, 2012; Masters et al., 2016, Molinillo et al., 2018; Morris, 2010, Morris et al., 2016; Mu and Paparas, 2015; Nayak, 2018; Neyem et al., 2011; O'Bannon and Thomas, 2015; Oberer and Erkollar, 2013; Ooi et al., 2018; Park et al., 2012; Parsazadeh et al., 2018; Pimmer et al., 2013, 2014, 2016; Sánchez-Prieto et al., 2017; Scott et al., 2017; Shorfuzzaman and Alhussein, 2016; So, 2016; Sobaih et al., 2016; Solly and Matthews, 2011; Terras and Ramsay, 2012; Thomas and Fellowes, 2016; Wakefield et al., 2018; Wang, 2016; Witt et al., 2016
Graduate students	Jahnke and Liebscher, 2013; Ling et al., 2014
Adult learning and professional development	Christensen and Knezek, 2018; Ciampa, 2014; Domingo and Garganté, 2016; Ekanayake and Wishart, 2015; Gu, 2016, 2016; Gu et al., 2014; Jarrahi et al., 2017; Kearney et al., 2015; Leinonen et al., 2016; Mori and Harada, 2010; Zhang et al., 2016
Informal education	Chen, 2018; Gu et al., 2014; Gu et al., 2011; Jones et al., 2013; Merchant, 2012; Neyem et al., 2011; Seta et al., 2014