Table 2: Overview of the scales of the self-regulated learning questionnaire regarding the sources, authors, and changes.

Scale Changes Source Author Goal setting Simplified formulation of the items SELVES Otto [43], Schmidt [54] Strategic planning Simplified formulation of the items One additional item SELVES Otto [43] Intrinsic value Simplified formulation of the items   Otto [43], Gürtler [55], Pekrun et al. [56] Attention focusing Simplified formulation of the items Three additional items SELVES Otto [43] Self-recording Simplified formulation of the items SELVES Otto [43] Self-evaluation Simplified formulation of the items SELVES Otto [43] Causal attribution Simplified formulation of the items One additional item   Bruder [57]