| Methods |
Study 1
Randomised Controlled Trial |
| Participants |
36 participants aged between 2;03 ‐ 3;03
Majority of participants in social classes I, II, or IIIM. Mean mother age 30, mean father age 33
25 males and 11 females took part |
| Interventions |
Parental administered expressive syntax intervention emphasising how to maximise language use in everyday environment
Therapy administered on average 40 minutes a week over 6 months
18 children received parental intervention
18 children received delayed intervention |
| Outcomes |
Reynell expressive measure
Language samle one word scores and total scores
RAPT:
information
Mothers description of vocabulay and phrase complexity
MLU from language sample
Outcomes not used: Comprehension measures, Derbyshire measures, Renfrew Grammar |
| Notes |
Children had less than 30 words and be at a one word stage of development based on mother report |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Allocation concealment (selection bias) |
Unclear risk |
B ‐ Unclear |
