About the Measure
| Domains | Language |
| Subscales | Receptive and expressive subscales. Scores for separate scales which vary significantly in reliability and validity |
| Target Construct | Oral language: Expressive and receptive language skills |
| Description | The CELF-Preschool 2UK is a reliable and valid test for the diagnosis and classification of language disorders in young children. It contains interesting, age-appropriate, full-colour pictures to hold the child's attention and is now easier to use and administer. |
| Test Authors | Wiig, E. H., Secord, W. & Semel, E. |
| Publisher | Pearson (2006) |
| Psychometry | |
| Implementation |
Implementation details
| Respondent | Child |
| Prior knowledge Required | Psychologists , speech or occupational therapists, mental health professionals and health practitioners with appropriate Graduate and professional qualifications in their field of practice. |
| Scoring | Subscales vary in transparency of scoring. Instructions and criteria stated |
| Time | 15 to 20 minutes |
| Age | 3 years to 6 years |
Psychometric details
| UK norms | YES |
| Norm / Criterion referenced | Both |
| Standardisation sample | 486 (UK) |
| Reliability | Test-retest ranged from 0.77 to 0.96 (for ages 3 to 3,11) and 0.74-0.95 (for ages 4 to 4,11). Cronbach's alphas ranged 0.77 to 0.95. Inter rater reliability ranged 0.95 to 0.97 |
| Criterion validity | Co-normed with PLS-4 and CELF-4 |
| Construct validity | Core language has a high correlation with other composites ranging from 0.85 to 0.93. Receptive and expressive language correlate 0.76 |
| Concurrent validity | The study conducted to compare the CELF-5 with the CELF-4 consisted of 1000 typically developing students between the ages of 5-16. Correlations between overall scores and index scores were high and ranged from .78 - .92. |