Comprehensive Notes on Constructivism in Science Education

Constructivism is a central and important theory within the field of science education, which the lecturer notes students will encounter multiple times throughout the course.
The theory explores how knowledge is acquired and can be categorized into various forms, including:
- Personal constructivism.
- Radical constructivism.
- Social constructivism.
- Critical constructivism.
Constructivism is often viewed at the opposite end of the educational spectrum from behaviorism:
- Behaviorism: In this model, learning is viewed as transmissive. The student's mind is considered a $tabula\,rasa$ (a blank slate) that is simply waiting to be filled with information provided by the instructor.
- Constructivism: Knowledge is not merely transmitted but is actively constructed by the learner.

Theorists and Beliefs: Personal constructivist theorists, such as Driver, Kelly, and elseville, emphasize that students do not enter the classroom empty-headed. They hold an intuitive understanding of experiences formed through their own observations.
Nature of Preconceptions:
- The transcript references Our spell (Ausubel), who describes these student preconceptions as being "amazingly tenacious and resilient to extinction."
- These beliefs are held very strongly by the students and must be explicitly taken into account when planning science teaching.
- These initial ideas are frequently referred to as "naive conceptions."
The Process of Conceptual Change: To successfully affect conceptual change, certain conditions must be met:
- Dissatisfaction: Learners must first experience a dissatisfaction with their existing conceptions. This is often triggered by a "repens event" (discrepant event) which causes cognitive conflict.
- Intelligibility and Plausibility: Following dissatisfaction, the new scientific concept introduced must be both intelligible and plausible to the student for them to adopt it.
Pedagogical Strategies for Conceptual Change:
- Concept mapping.
- Diagnostic tests.
- Predict, Observe, and Explain (POE).

Key Social Constructivist Theorists: The lecturer identifies Logged Venga (Lave and Wenger) and Vygotsky as primary figures.
Core Concepts: Knowledge is constructed through:
- The co-development of language and thought.
- Engagement in "communities of practice."
Classroom Application: In a social constructivist setting, learning involves rich, inquiry-based dialogue. This occurs at two levels:
- Within small group discussions.
- At the whole-class level.

Academic Bias vs. Practical Reality: While academics are often perceived as favoring constructivism exclusively, the lecturer argues that teachers should be critical of theories and recognize that transmissive instruction has its place.
The Driving Metaphor:
- The lecturer uses the example of learning to drive a car with a manual shift gear to illustrate the limitations of pure constructivism.
- If a student were put in a car with no instruction and told to "figure it out," the process would be extremely difficult and likely result in accidents.
- In such cases, transmissive instruction regarding how the pedals work and how gears function is highly beneficial and necessary.
Professional Judgment: Teachers must be aware of both the strengths and the limitations of constructivist methods. They should evaluate specific situations to determine whether transmissive or constructivist methods are more useful.

Common Pedagogical Structure in Science:
1. Solicit students' prior knowledge.
2. Create cognitive dissonance (causing dissatisfaction with existing conceptions regarding why something happened that doesn't fit their current belief).
3. Apply new knowledge accompanied by feedback.
4. Reflect on the learning process.
The Five E's Model: A major constructivist approach used in units like "Primary Connections." The $5$ E's consist of:
1. Engage.
2. Explore.
3. Explain.
4. Elaborate.
5. Evaluate.

Theorists: Plummer and Maynard are cited regarding learning progressions.
Big Ideas: This perspective suggests that students' understandings of "big ideas" grow in sophistication over time.
Characteristics of Progressions: The growth in complexity is described as:
- Generative.
- Sequential.
- Connected.
The Australian Curriculum: This model is reflected in the Australian Curriculum, where various topics are revisited periodically. Each time a topic is revisited, the "big idea" is developed with increased complexity.
Shift in Emphasis: Rather than solely focusing on replacing or modifying "alternative" or "naive" conceptions, the learning progression perspective prioritizes looking at students' actual understandings and mapping how they can progress through different levels of achievement or stages over time.