A main source for the ages
Defining the developmental parameters of temper loss in early childhood: implications for developmental psychopathology
Lauren S. Wakschlag, Seung Woo Choi, Alice S. Carter, Heide Hullsiek, James L. Burns, Kimberly J. McCarthy, Ellen Leibenluft, Margaret J. Briggs‐Gowan · 2012 · Journal of Child Psychology and Psychiatry
- Children
- About 1,500 children
- Where
- Chicago area, United States, from varied backgrounds
- Ages
- 3 to 5 years
- How
- Parents' questionnaires
- What it found
- More than 8 in 10 children aged 3 to 5 had at least one tantrum in the past month, but fewer than 1 in 10 had them every day. Tantrums were most common at age 3.
- Limits
- Covers ages 3 to 5 only; the numbers for each age are in a supplementary table we haven't read.