451,010 responses from 1,190 respondents to 379 items.
| Description | Parent reports of expressive vocabulary |
|---|---|
| Reference | Bohn, M., Prein, J. C., Engicht, J., Haun, D., Gagarina, N., & Koch, T. (2023, October 19). PREVIC: An adaptive parent report measure of expressive vocabulary in children between 3 and 8 years of age. https://doi.org/10.31234/osf.io/hvncp |
| DOI | 10.31234/osf.io/hvncp |
| Licence | CC BY 4.0 |
| Source data | https://github.com/manuelbohn/previc |
| Responses | 451,010 |
|---|---|
| Respondents | 1,190 |
| Items | 379 |
| Response categories | 2 |
| Responses per respondent | 379 |
| Responses per item | 1,190 |
| Density | 1 |
| Longitudinal | FALSE |
| age range | Child (<18y) |
|---|---|
| child age (for child-focused studies) | Early (<6y), Child (6-12y) |
| sample | Educational |
| construct type | Cognitive/educational |
| measurement tool | Survey/questionnaire |
| item format | Likert Scale/selected response |
| primary language(s) | ger |
| construct name | PREVIC: An adaptive parent report measure of expressive vocabulary in children between 3 and 8 years of age |
This table has item text in the IRW: the wording administered to respondents, not just the response codes.
| Instrument | PREVIC: Parent Report of Expressive Vocabulary in Children (Bohn et al., 2025) - initial 379-word item pool |
|---|---|
| Mean words per item | 1.084 |
| Mean characters per item | 6.686 |
| Mean characters per response | 3 |
| Flesch-Kincaid grade level | 327.930 |
_unnamed_varcov_agecov_sexiditemitemcov_aoaitemcov_english_transitemcov_word_typeresptrial
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("previc_bohn2023")
# Python
pip install irw
import irw
df = irw.fetch("previc_bohn2023")
| IRW version | v393 |
|---|---|
| Redivis dataset | item_response_warehouse v53.0 |
| Redivis dataset DOI | 10.57761/4g08-xt41 |
| Manifest pin for this IRW version | v53.0 |
| Metadata source | irw_meta v23.0 |