Fig. 6: Causality graph for participation rate NCE, organiser preference NCE (O-NCE), and task preference NCE (T-NCE).
From: Optimising self-organised volunteer efforts in response to the COVID-19 pandemic
a, b Causality graph for two P-NCE regimes. c Causality graph for the T-NCE regime. d–g Causality graph for four O-NCE regimes.
