About the Measure
| Domains | Numeracy |
| Subscales | 3 to 9 items for each of the 12 competencies |
| Target Construct | Numeracy: Counting, cardinality, counting subsets, subitizing, number comparison, set comparison, number order, numeral identification, set-to-numerals, story problems, number combinations, and verbal counting |
| Description | A Brief Preschool Early Numeracy Skills Screener to Identify Young Children With Mathematics Difficulties. |
| Test Authors | Purpura & Lonigan. School Psychology Review. 2015. Vol. 44, No. 1, pp. 41-59. |
| Publisher | No test publisher: (Not published) |
| Psychometry | |
| Implementation |
Implementation details
| Respondent | Child |
| Prior knowledge Required | Individuals who either have completed or are working towards completion of a bachelor’s degree and who engage in two or three two-hour training sessions |
| Scoring | Insufficient data to evaluate |
| Time | 60 to 90 minutes |
| Age | 3 to 5 years |
Psychometric details
| UK norms | NO |
| Norm / Criterion referenced | Criterion referenced |
| Standardisation sample | 393 |
| Reliability | Reliability was assessed both through IRT standard errors and classical test theory Cronbach’s alphas. All tasks had acceptable CTT reliabilities, Cronbach alphas ranged .69 to .90 |
| Criterion validity | Insufficient data in the public domain to evaluate |
| Construct validity | The individual measures generally were related to two broad mathematics tasks (the Woodcock-Johnson III Applied Problems and Calculation tasks) given a year later suggesting that the individual measures were also measuring part of the broader construct. |
| Concurrent validity | All tasks except Cardinality were significantly correlated with the same tasks given a year later |