Of the 1414 eligible and contactable children referred to the language survey, 1217 (86.1%) were recruited; of these, 1138 (93.5%) completed the 18 month vocabulary screen, of whom 301 (26.4%) entered the trial (158 intervention, 143 control) on the basis of their screening score.
All children obtained a score above 80 on the Peabody Picture Vocabulary Test (PPVT), and mental health was assessed by the ASEBA screening questionnaires (CBCL, TRF and YSR) [ 15].
Screening team members' instinctive response was to write detailed descriptions using personalized vocabulary based loosely on published literature and investigator experience.
The raw vocabulary score (number of correct choices) was transformed into a standardized vocabulary score ranging from 0 to 30, with a mean of 15 and a standard deviation of 5. Standard score means of the complete sample used for screening on the RAKIT (N = 285, M = 16.57, SD = 6.34) were close to this national standard score mean.
At 18 months, the research team mailed recruited parents the screening expressive vocabulary and behaviour checklists.
We aim to examine the effect of this screening program on vocabulary development in pre-school children in a before and after comparative study design.
Both iOS versions do it well and it has become part of the visual vocabulary for devices with touch screens.
Photographic methods can be combined with intaglio, lithography, or silk screen to enrich their vocabulary.
None of these children had reached the critical cut-off of 50 words in their expressive vocabulary as measured by the parent-report screening questionnaire ELFRA-2.
The bottom of the screen portrays a keyboard, although I could, if I chose, select other screens made up of various vocabulary, grammar and expression-based menus, which, for experienced users, would doubtless speed things up.
