3: Planning and Conducting a Study - Sampling and Surveys Last updated Save as PDF Page ID5682 Contributed by CK12CK12 3.1: Collecting Data from Experiments3.2: Gathering Data3.3: Surveys and Samples3.4: Planning and Conducting Surveys3.5: Sampling and Bias3.6: Sampling Methods3.7: Simple Random Sampling3.8: Stratified Random Sampling3.9: Cluster Sampling3.10: Non-Probabiltity Sampling