Table 1 Assessment of child’s individual psychological and biological functioning
Variable | Method of data collection | Assessment point | ||
|---|---|---|---|---|
t1 | t2 | t3 | ||
Height and weight | Measurement in the lab | x | x | x |
Physical development | Copy from the “U-Heft” | x | x | x |
Length of sleep | Self-generated questions | x | x | x |
Quality of sleep | German version of Children’s Sleep Habits Questionnaire (CSHQ-DE) | x | ||
Temperament | Infant Behavior Questionnaire Revised (IBQ-R) | x | x | |
Early Childhood Behavior Questionnaire (ECBQ) | x | x | ||
Children’s Behavior Questionnaire (CBQ) | x | x | ||
Psychological symptoms | Interview based on criteria of the diagnostic classification of mental health and developmental disorders of infancy and early childhood ZERO TO THREE (revised) | x | x | x |
Child Behavior Checklist (CBCL/1.5–5), parents version | x | x | x | |
Caregiver-Teacher Report Form (C-TRF/1.5–5) | x | x | ||
Peer relationship problems and Prosocial behavior | Corresponding scales of the Strength and Difficulties Questionnaire (SDQ), for parents and kindergarten teachers | x | X | |
Social-emotional competence | Corresponding scale of the German questionnaire „Verhaltensbeurteilungsbogen für Vorschulkinder“ (VBV 3–6), for parents and kindergarten teachers | x | x | |
Emotion understanding | Test of emotion comprehension | x | ||
Eating behavior | Children’s Eating Behaviour Questionnaire (CEBQ) | x | x | |
Early nutrition | Questionnaire with self-generated questions | x | x | x |
Activity, media use, lifestyle | Questionnaire with self-generated questions from the PEB study | x | x | |
Behavioral regulation | Head-Toes-Knees-Shoulders Task (HTKS) | x | ||
Delay of gratification | Marshmallow Test | x | ||