Reference:
"Roggman, L. A., Cook, G. A., Innocenti, M. S., Jump Norman, V., Christiansen, K., and Anderson, S. (2013a). Parenting Interactions with Children: Checklist of
Observations Linked to Outcomes (PICCOLO) User’s Guide. Brookes Publishing"
Name and number of scales:
1. Affection (7 items); 2. Responsiveness (7 items); 3. Encouragement (7 items); 4. Teaching (8 items)