brederecke_2020_phq4

5,427 responses from 1,365 respondents to 4 items.

About this table

DescriptionPsychometric properties of the German version of the Self-Image Scale (SIS) and PHQ-4
ReferenceBrederecke, J., Scott, J. L., de Zwaan, M. et al. (2020). Psychometric properties of the German version of the Self-Image Scale (SIS). PLOS ONE. https://doi.org/10.1371/journal.pone.0230331
DOI10.1371/journal.pone.0230331
LicenceCC BY 4.0
Source datahttps://doi.org/10.1371/journal.pone.0230331

Size and shape

Responses5,427
Respondents1,365
Items4
Response categories4
Responses per respondent3.976
Responses per item1356.750
Density0.994
LongitudinalFALSE

Classification

age rangeAdult (18+)
measurement toolSurvey/questionnaire
item formatLikert Scale/selected response
primary language(s)ger

Item text

This table has item text in the IRW: the wording administered to respondents, not just the response codes.

InstrumentPatient Health Questionnaire-4 (PHQ-4), German version
Mean words per item5.750
Mean characters per item37.750
Mean characters per response16.750
Flesch-Kincaid grade level43.890

Columns

cov_agecov_nationalitycov_sexiditemresp

Get the data

Download CSVno account neededBrowse on Redivisexplore and queryCroissant metadataHugging Face, Kaggle, OpenML

Or load it directly in R or Python:

# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("brederecke_2020_phq4")
# Python
pip install irw

import irw
df = irw.fetch("brederecke_2020_phq4")

Version and provenance

IRW versionv393
Redivis datasetitem_response_warehouse_3 v7.0
Redivis dataset DOI10.57761/pqqn-pm43
Manifest pin for this IRW versionv7.0
Metadata sourceirw_meta v23.0