Final answer:
Focus groups may provide many views, but some voices may not be heard due to dominant individuals or group dynamics.
Step-by-step explanation:
The data collection method that may provide many views, but some voices may not be heard is focus groups. Focus groups are a qualitative research technique where a small group of participants are brought together to discuss a specific topic. While focus groups allow for diverse perspectives and in-depth discussions, certain voices may be overshadowed by dominant individuals or group dynamics.