Final answer:
The best way to determine if an intervention method is making a difference in Katie Beth's language development is to observe, collect data, and analyze findings.
Step-by-step explanation:
The best way to determine if an intervention method is making a difference in Katie Beth's language development is to:
- Observe: Set up a setting to observe Katie Beth using language naturally. Take detailed notes on how she uses language in various contexts.
- Collect Data: Analyze the data gathered from the observation, including qualitative and quantitative research.
- Analyze Findings: Look closely at the data to determine how the intervention method is influencing Katie Beth's language development.