Read the passage.

General Topic: Housing Bubble

What causes are involved with this topic? supply and demand, rapidly rising house prices, investment instead of shelter, overpriced houses, low interest rates, bad lending
What effects are involved with this topic? housing slump, foreclosures, defaulted loans, bad credit, job losses, recession, stock market drop, slow economy
Which strategy is illustrated in this example?

browsing

using classical invention

using a K-W-L chart

self-interviewing