Table 1. Evaluation of the selected documents using the NOS scale.
| STUDY | Selection | Comparability | Outcome | Total (x/9) | |||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 1a | 2b | 1 | 2 | ||
| Akkaya et al. (2012) | * | – | – | ** | * | * | * | * |
7
(Good) |
| Andreissy Breda et al. (2013) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Aparicio et al. (2015) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Auvinet et al. (2011) | * | * | – | ** | * | * | * | * |
8
(Good) |
| Ayán et al. (2007) | – | – | * | ** | * | * | * | * |
7
(Good) |
| Carbonell-Baeza et al. (2010b) | * | – | – | ** | * | * | * | * |
6
(Fair) |
| Carbonell-Baeza et al. (2010a) | * | – | – | ** | * | * | * | * |
6
(Fair) |
| Carbonell-Baeza et al. (2011a) | * | – | – | ** | – | – | – | – |
3
(Poor) |
| Carbonell-Baeza et al. (2011b) | * | – | – | ** | – | – | – | – |
3
(Poor) |
| Carbonell-Baeza et al. (2013) | * | – | – | ** | – | – | – | – |
3
(Poor) |
| Carbonell-Baeza et al. (2014) | * | – | – | ** | – | – | – | – |
3
(Poor) |
| Cardoso et al. (2011) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Córdoba-Torrecilla et al. (2015) | * | – | – | ** | – | – | – | * |
4
(Fair) |
| Ericsson, Bremell & Mannerkorpi (2013) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Ernberg et al. (2018) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Giannotti et al. (2014) | * | – | – | ** | * | * | * | * |
7
(Good) |
| Góes et al. (2015) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Heredia Jiménez et al. (2009) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Heredia-Jimenez & Soto-Hermoso (2013) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Heredia-Jimenez, Orantes-Gonzalez & Soto-Hermoso (2016) | * | – | * | * | * | * | * | * |
7
(Good) |
| Hernando-Garijo et al. (2021) | * | * | * | ** | * | * | * | * |
9
(Good) |
| Homann et al. (2018) | * | – | – | ** | * | * | * | * |
7
(Good) |
| Koca et al. (2015) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Latorre-Román, Santos-Campos & Heredia-Jimenez (2014) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Mannerkorpi et al. (2010) | * | * | * | ** | * | * | * | * |
9
(Good) |
| Martín-Martínez et al. (2020) | * | – | – | ** | – | – | * | * |
5
(Fair) |
| Mingorance, Montoya & Miranda (2021) | * | * | – | ** | * | * | – | * |
7
(Good) |
| Ollevier et al. (2020) | – | * | – | ** | – | – | * | * |
5
(Fair) |
| Polat et al. (2021) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Salvat et al. (2016) | * | – | * | ** | * | * | * | * |
8
(Good) |
| Sañudo et al. (2010) | * | * | * | ** | * | * | * | * |
9
(Good) |
| Soriano-Maldonado et al. (2015a) | * | – | – | ** | * | * | * | * |
7
(Good) |
| Soriano-Maldonado et al. (2015b) | * | – | – | ** | – | – | – | – |
3
(Poor) |
| Tavares et al. (2020) | * | – | – | ** | * | * | * | * |
7
(Good) |
| Villafaina et al. (2019) | * | * | – | ** | * | * | * | * |
8
(Good) |
| Vincent et al. (2016) | * | – | * | ** | * | * | * | * |
8
(Good) |