Congjie Zhang, Zhenyu Shu, Shanshan Chen, Jiaxuan Peng, Yueyue Zhao, Xuan Dai, Jie Li, Xuehan Zou, Jianhua Hu, Haijun Huang
A machine learning-based model analysis for serum markers of liver fibrosis in chronic hepatitis B patients
Scientific reports
article proposes ways use programme theory evaluating aspects programmes complicated complex argues useful distinctions drawn aspects complicated complex provides examples programme theory evaluations usefully represented address complexity defined varied ways previous discussions evaluation theory practice article draws glouberman zimmermans conceptualization differences complicated multiple components complex emergent complicated programme theory may used represent interventions multiple components multiple agencies multiple simultaneous causal strands andor multiple alternative causal strands complex programme theory may used represent recursive causality reinforcing loops disproportionate relationships critical levels small change make big difference tipping point emergent outcomes