Author

Abstract and title

Introduction and aims

Method and data

Sampling

Data analysis

Ethics and bias

Results

Transferability or generalizability

Implications and usefulness

Total

Hammer et al. [12]

40

40

30

40

40

40

40

40

40

350

Bar-Sela et al. [13]

40

40

30

40

40

40

40

40

40

350

Bozcuk et al. [14]

40

30

30

30

40

10

40

30

40

290

Geue et al. [15]

30

40

40

40

30

40

40

40

30

330

Geue et al. [16]

40

40

40

30

40

20

40

40

40

330

Oster et al. [17]

30

40

30

40

40

30

40

40

40

330

Singer et al. [18]

40

40

40

40

40

40

40

40

30

350

Peng et al. [19]

40

20

40

30

40

30

40

40

30

310

Svensk et al. [20]

40

30

30

40

30

40

40

40

40

330

Thyme et al. [21]

40

30

30

40

30

40

40

40

40

330

Zhao & Tang [22]

30

30

30

30

20

10

30

30

20

230