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. 2003 Jul 21;2003(3):CD004110. doi: 10.1002/14651858.CD004110

Gibbard 1994b.

Methods Study 2
 Randomised Controlled Trial
Participants 25 participants aged between 2.03 ‐ 3; 03
 Majority of participants in social classes II, IIIM and IIIN. 
 Average mother age 28 and 29, avarage father age 29 and 33.5
 19 males and 6 females took part
Interventions Clinician or parent administered expressive syntax intervention. Clinician therapy for 30 minutes a week for six months, parent therapy for an average of 40 minutes a week for six months. Controls received a cognitive parent therapy based on Portage
 8 children received clinician therapy
 9 children received parent therapy
 8 children received the parent control therapy
Outcomes Reynell expressive measure
 Langauge sample one word score, total scores and MLU
 Parent Report of vocabulary and phrase complexity 
 RAPT information
 Outcomes excluded: 
 As Gibbard (study 1)
Notes Children has less that 30 words and be at the one word stage of development
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment (selection bias) Unclear risk B ‐ Unclear