1 Introduction Part 2 The Theoretical Context 3 A Reductionistic Model of Distinct Modes of Religious Transmission 4 Modes Theory: Some Theoretical Considerations 5 Ritual Form and Ritual Frequency 6 Divergent Religion: A Dual-Process Model of Religious Thought, Behavior, and Structure 7 Rethinking Naturalness: Modes of Religiosity and Religion in the Round Part 8 Testing the Modes Theory 9 In the Empirical Mode: Evidence Needed for the Modes of Religiosity 10 Memory and Analogical Thinking in High-Arousal Rituals Part 11 Wider Applications 12 The Modes Theory Helps Explain Conversion Phenomena 13 Charisma, Tradition and Ritual: A Cognitive Approach to Magical Agency 14 Why Religions Develop Free Will Problems 15 The Cognitive Foundations of Religiosity.