Study Richter et al. (2018): study DE 2007
- Public
 - Mothers and their child, Germany, 2007/8
 - Survey name
 - DE-SOEP
 - Sample
 - Respondents
 - N = 291
 - Non Response
 - Assessment
 - 
        Interview: Computer Assisted  Personal Interview (CAPI)                    
Both mother and child completed a verbal ability test 
Correlate
- Authors's Label
 - Receptive vocabulary of child
 - Our Classification
 - 
            
 - 
                        
 - Error Estimates
 - Cronbach alpha 0,90
 - Remarks
 - Shortened version of Peabody Picture Vocabulary Test (Dunn & Dunn 1981)
 - Distribution
 - M =50,07, SD 7.54
 - Operationalization
 - Observed performance of child on test that consisted of 61 stimulus words and 61 corresponding image plates showing four black-and-white drawings. The child had to figure out which of the four drawings best represented the meaning of the corresponding stimulus word.