| Participants / setting |
participants characteristics (e.g., age, gender, disability, diagnosis) |
0 |
4 |
28 |
2.88 |
| process for selecting participants |
1 |
5 |
26 |
2.78 |
| information about interventionists or teachers and comparability across conditions |
21 |
7 |
4 |
1.47 |
| critical features of the physical setting |
9 |
17 |
6 |
1.91 |
| Dependent variable |
description of DV |
0 |
1 |
31 |
2.97 |
| measurement process |
0 |
0 |
32 |
3.00 |
| measurement validity and description |
0 |
4 |
28 |
2.88 |
| measurement frequency |
0 |
3 |
29 |
2.91 |
| data collected on reliability (e.g., IOA = 80%; Kappa = 60%) |
22 |
0 |
10 |
1.63 |
| Independent variable |
description of IV |
0 |
8 |
24 |
2.75 |
| IV manipulation |
14 |
7 |
11 |
1.91 |
| fidelity of implementation |
22 |
1 |
9 |
1.59 |
| Baseline |
DV measurement |
3 |
11 |
18 |
2.47 |
| description of baseline condition |
12 |
16 |
4 |
1.75 |
| Experimental control/Internal validity |
design demonstrates experimental effect |
0 |
0 |
32 |
3.00 |
| design controls for common threats to internal validity (e.g., elimination of rival hypotheses) |
12 |
7 |
13 |
2.03 |
| patterns of results |
0 |
0 |
32 |
3.00 |
| External validity |
replication of effects across participants, settings, or materials |
2 |
11 |
19 |
2.53 |
| Social validity |
social importance of DV |
0 |
0 |
32 |
3.00 |
| social importance of magnitude of change in DV |
0 |
12 |
20 |
2.63 |
| practicality and cost effectiveness of implementation of IV |
22 |
5 |
5 |
1.47 |
| typical nature of implementation of IV |
16 |
15 |
1 |
1.53 |
