Paper | Control | Commands | User’s task | Participants |
---|---|---|---|---|
Tanaka et al. (2005) [9] | Discrete | 2 | 2 | 6 |
Millán et al. (2009) [19] | Continuous | 3 | 3 | 3 |
Hema, Paulraj, Yaacob, Adom, & Nagarajan (2011) [35] | Mixeda | 4 | 4 | 4 |
Tsui et al. (2011) [21] | Discrete | 3 | 3 | 2 |
Carra & Balbinot (2013) [37] | Discrete | 2 | 2 | 1 |
J. Li & Liang (2013) [36] | Continuous | 3 | 3 | 1 |
Carlson & Millán (2013) [38] | Continuous | 2 | 2 | 4 |