CP_prob_pres - STAGES OF PROBLEM SOLVING PREPARATION encode...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: STAGES OF PROBLEM SOLVING PREPARATION encode the problem space and allowable operators retrieve relevant knowledge from LTM PRODUCTION devise strategy for searching the space implement the search EVALUATION has the goal been reached? are you rpgressing toward the goal? UNDERSTANDING THE PROBLEM (Greeno, 1977) Our internal representation (or model) of the problem should have accurate CORRESPONDENCE between relevant elements in the world and model good COHERENCE between elements in the model appropriate links to PRIOR KNOWLEDGE that can aid problem solving environment model of problem correspondence coherence links to prior knowledge SOLVING SCHEMATICALLY ODD PROBLEMS Monsters & Globes (Simon & Hayes 76) odd versions of problems are harder to solve: exchange versus grow/shrink rules surreal problems (Hinkley & Hayes, 1977) A boat takes two hours to steam 20 miles up a river but only one and a third hours for the return trip. Find the rate of the boat in still water. (original) A wine takes seven years to mature properly from the time the grapes are harvested but only four years for the return trip. How fast would the wine mature in still time? (surreal) FUNCTIONAL FIXEDNESS Dunckers (1940) CANDLE problem: attach the candle to the wall so it burns properly....
View Full Document

Page1 / 17

CP_prob_pres - STAGES OF PROBLEM SOLVING PREPARATION encode...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online