Theoretical approach | Referenced studies | |
---|---|---|
Frameworks | 44% (n = 28) | [19,20,21, 26, 29,30,31, 34,35,36, 39, 43,44,45,46,47,48,49,50,51,52, 55, 57, 59, 61, 63, 75, 82] |
Single | n = 23 | [19,20,21, 26, 29,30,31, 34,35,36, 39, 43, 46,47,48,49,50, 57, 59, 61, 63, 75, 82] |
Multiple | n = 4 | |
Own | n = 1 | [44] |
Models | 26% (n = 17) | [22,23,24, 27, 32, 33, 37, 38, 54, 56, 58, 64, 66, 72, 74, 76, 78] |
Single | n = 7 | |
Single + theory | n = 1 | [38] |
Single + tool | n = 5 | |
Multiple + theory | n = 1 | [56] |
Own | n = 3 | |
Theory | 14% (n = 9) | |
Instrument | 5% (n = 3) | |
Tool | 7% (n = 7) |