An interesting article in ASQ Quality Progress lists seven data collection strategies. This seems worth noting so a summary is provided here, along with a link to the article (http://asq.org/quality-progress/2013/04/statistics/paving-the-way.html) which is "open access".
Observational Studies
Monitoring Techniques
Process Capability
Measurement Assessment
Sampling
Design of Experiments
Complementary Data and Information
An excerpt of the table in the article is included: