Students from three classes were asked to participate (n = 168), of which 154 (92%) accepted participation.
Students from suspended classes were asked to stay home for at least 5 days before returning to school.
Of each school, 2nd grade classes were randomly chosen and all 11-13 year old children in the selected classes were asked to participate.
The parents of the children of these Oakland kindergarten classes were asked to give written consent to allow their children to participate in the study.
The teachers of the participating classes were asked to distribute the questionnaire among the parents of the children about 14 days before the routine medical examination in the CLB.
At age 7, classroom teachers (who also supervised physical education classes) were asked to identify poor ability in hand control, coordination, and overall clumsiness, scored as certainly, somewhat, no, and unsure.
The teachers of the participating classes were asked to distribute the questionnaire (including the instruction leaflets in the intervention group only) among the parents of the children about 14 days before the planned medical examination in the CLB.
Before any clinical research was performed, the parents of the children attending the selected classes were asked to provide informed consent and to fill in an anamnestic survey (i.e., birth, breast and/or formula feeding habits, dummy- or thumb-sucking, headaches, dental and general trauma, pain in the muscles of the head and neck and nocturnal bruxism).
The class was asked to devise a business idea and write a business plan.
One report from August 2015 tells how a class was asked to write about what they did on the weekend.
At school, the Parentes' 7-year-old's class was asked to write out what wish they would ask of a genie, should one appear.
