Brief Notes learning is slow & hard

need common scale to analyze learning

model of midcrodevelopment of general knowledge

many studies show little or no learning (gravity ??)

Dawson - National Leadership - 26 week leadership course

-almost no learning

introdcutory stats at Harvard

- 40% showed clear learning 30% got worse and 10% chaotic

Schwartz & Sadler

2 months of instruction on magnetism

traditional curriculum

no change

discovery curriculum

interest bu no activity

curriculum linked to activity

sustained increase

Case

- number sense

learning did occur and generalized to other tasks

What is the process for building general knowledge

building and rebuilding skills over a long time

bridging to build knowledge

central conceptual structures

need for grounding in language and culture

-secret to generalization

How do you measure?

scale for complexity

knowledge grows in parallel independent webs

10 levels from 2 to 30 years - compelxity scale