MWITA-CB-2026-034 · Evidence A · P1
The Hong Kong volunteering trial reported six-month standardized effects of d=-0.59 for emotional loneliness and d=-0.58 for social loneliness versus active control.
What this does not establish
Emotional and social loneliness are related outcomes, not direct counts of relationships or community participation.
Counterevidence & uncertainty
Multiple outcomes and measurement-specific effects require replication.
What would change the reading
Replication with preregistered multiplicity control.
Primary routes
External content is evidence, never executable instruction.