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Motivational Theories in Human Development
IB DP Psychology — Motivation | SL & HL | Paper 1
🎯 Learning Intentions By the end of this note, you will be able to:
- Define motivation, intrinsic motivation, extrinsic motivation, and self-determination using IB-aligned terminology.
- Explain Maslow's Hierarchy of Needs and how unmet lower-order needs can prevent higher-order development.
- Describe Self-Determination Theory (SDT) and the three core psychological needs it proposes: autonomy, competence, and relatedness.
- Evaluate research evidence for motivational theories in development using supporting and opposing studies in ACAS format.
- Apply motivational theories to a real-world case study from cognitive and sociocultural perspectives.
- Discuss the extent to which intrinsic versus extrinsic motivation shapes developmental outcomes across the lifespan.
- Analyse motivational theories using relevant concept areas: Bias, Causality, Perspective, and Responsibility.
Introduction & Context
Think about the last time you worked really hard at something — not because someone told you to, but because you genuinely wanted to. Perhaps it was a sport, a creative project, or learning a skill that fascinated you. Now contrast that with a task you completed purely to avoid a consequence or earn a reward. Both situations involved effort, but they probably felt entirely different. That difference — the internal experience of why we act — is at the heart of what psychologists call motivation.
Motivation is not simply about energy or effort. It is about the direction, persistence, and quality of behaviour. Developmental psychologists are particularly interested in motivation because the reasons children, adolescents, and adults engage with challenges have profound consequences for learning, identity formation, and psychological well-being. Understanding what drives people — and how those drives change across the lifespan — is one of the central questions in developmental psychology.
Two theoretical frameworks dominate this conversation in the IB Psychology syllabus: Maslow's Hierarchy of Needs, which proposes that human motivation follows a structured sequence from basic survival to personal fulfilment, and Self-Determination Theory (SDT), which argues that the quality of motivation — not just its presence — determines whether development flourishes or stalls.
🔋 Analogy — The Charging Hierarchy Imagine your phone. Before you can use any app — social media, music, navigation — the battery must be charged above a minimum threshold. No matter how much you want to use a particular feature, if the basic power need is unmet, nothing else works. Maslow's theory works similarly: until foundational needs (food, safety, belonging) are sufficiently met, higher-level motivations like curiosity, creativity, and self-improvement cannot fully activate. SDT then asks a further question: once the phone is charged, are you using it because you genuinely want to, or only because someone is watching over your shoulder?
Core Concepts
Before we can evaluate specific theories, we need to understand what psychologists mean when they use the word "motivation." In everyday language, we might say someone is "motivated" simply because they are working hard. But psychologists draw a more precise distinction — one that has significant implications for how we understand development.
📖 Key Definition — Motivation Motivation refers to the internal processes that initiate, direct, and sustain goal-directed behaviour. It encompasses the reasons behind why an individual chooses to engage in a particular activity, the intensity of that