AEA RCT Registry

Fields Changed

Registration

Field	Before	After
Trial Start Date	May 26, 2026	June 28, 2026
Trial End Date	July 29, 2026	September 01, 2026
Last Published	May 27, 2026 09:44 AM	June 24, 2026 04:18 AM
Intervention Start Date	May 26, 2026	June 28, 2026
Intervention End Date	July 29, 2026	September 01, 2026
Primary Outcomes (End Points)	Intention Index — standardised index of 6 stated intentions to change parenting practices (stricter time limits, parental control apps, tech-free zones, reviewing messages, conversations about online safety, delaying smartphone) Intention II — willingness to pay for a premium digital-safety app (£ slider) Intention III — priority given to social media management vs. other parenting goals (1–5) Donating to Charity — amount donated out of a £10 lottery prize to a digital-safety charity Signing the Petition — whether the parent signs the real petition to Parliament (binary) with or without a ban policy. Parental Beliefs about Social Media Risks— perceived prevalence of 6 social media harms (beliefs update) Parental Worry about Their Own Child — emotional worry about child's exposure to those 6 harms Supervision — index of supervision methods used Rules — index of household online rules Discussion — index of online safety topics discussed with child Monitoring — index of specific monitoring actions taken Communication — index of questions asked to child about online life Family Communication — index of family-level agreements and screen practices	Intention I — willingness to pay for a premium digital-safety app (£ slider) Intention II — priority given to social media management vs. other parenting goals (1–5) Donating to Charity — amount donated out of a £10 lottery prize to a digital-safety charity Signing the Petition — whether the parent signs the real petition to Parliament, with and without the full social media ban. Parental Beliefs about Social Media Risks— perceived prevalence of 6 social media harms (beliefs update) Parental Worry about Their Own Child — emotional worry about child's exposure to those 6 harms Change in practices — Supervision, rules, discussion, and change related to the treatment. Child Well-Being I— child well-being index (SDQ) Child Well-Being II— child well-being ONS measures (follow-up Survey 2 only) Valuation of School and Home Policies I— estimated probability child has severe mental health issues under 4 school/home scenarios Valuation of School and Home Policies II — estimated probability child graduates from university under the same 4 scenarios Parent-Children Communication — estimated number of hours per week having a conversation Parent-Children Activities — estimated number of hours spent doing activities with the child that do not involve screens Parents Mental Health — Generalized Anxiety Questionnaire Index and Scale Social Media Use — Parents' reported hours on social media by child
Secondary Outcomes (End Points)	Child Well-Being I— child well-being index (SDQ short form, 3 items) Child Well-Being II— child well-being ONS measures (follow-up Survey 2 only) Life Satisfaction — parent life satisfaction (Cantril ladder, 0–10) Social Media Use — Parents' reported hours on social media by child Parents Mental Health — Generalized Anxiety Questionnaire Index and Scale Valuation of School and Home Policies I— estimated probability child has severe mental health issues under 4 school/home scenarios Valuation of School and Home Policies II — estimated probability child has at least 3 close friends under the same 4 scenarios Knowledge — Reported knowledge about what the child is going online. Parent-Children Communication — estimated number of hours per week having a conversation Parent-Children Activities — estimated number of hours spent doing activities with the child that do not involve screens Use of Tech Tools — whether any parental control tools have been used (binary) Friends/Follower — whether parents are friends or followers of their child on any social media.	Life Satisfaction — parent life satisfaction (Cantril ladder, 0–10)