Causality in a social world introduces innovative new statistical research and strategies for investigating moderated intervention effects mediated intervention effects and spill over effects using experimental or quasi experimental data the book uses potential outcomes to define causal effects explains and evaluates identification assumptions using application examples and compares innovative statistical strategies with conventional analysis methods whilst highlighting the crucial . Causality in a social world moderation mediation and spill over 1st edition causality in a social world moderation mediation and spill over 1st edition by guanglei hong author 42 out of 5 stars 10 ratings isbn 13 978 1118332566. Causality in a social world moderation mediation and spill over guanglei hong causality in a social world introduces innovative new statistical research and strategies for investigating moderated intervention effects mediated intervention effects and spill over effects using experimental or quasi experimental data. A review of causality in a social world moderation mediation and spill over nianbo dong and benjamin m kelcey journal of educational and behavioral statistics 2019 45 3 374 378