1: Lifespan Development Last updated Save as PDF Page ID 60355 Lumen Learning Lumen Learning 1.1: Why It Matters- Lifespan Development 1.2: Introduction to Human Development 1.3: Defining Human Development 1.4: Periods of Human Development 1.5: Introduction to the Lifespan Perspective 1.6: The Lifespan Perspective 1.7: Introduction to Research in Lifespan Development 1.8: Research in Lifespan Development 1.9: Research Methods 1.10: Correlational and Experimental Research 1.11: Developmental Research Designs 1.12: Challenges Conducting Developmental Research 1.13: Putting It Together- Lifespan Development 1.14: Discussion- Life Stages 1.15: Assignment- Lifespan Development in the News