Directions: For each of the following research article excerpts: (1) Decide whether the sampling method presented is either a probability or nonprobability sampling method; (2) Identify the specific sampling method used, which might include convenience, quota, purposive, network, or theoretical sampling for nonprobability samples or simple random, stratified random, cluster, or systematic sampling for probability samples; and (3) Provide a rationale for the sampling method you selected. Some of the examples might include more than one sampling method to obtain the study sample. (4) Identify the potential bias of the study, does the study exclude anyone who should have been included? 1. Study excerpt: "All registered and enrolled nurses who had patient contact and were employed in the ED [Emergency Department] setting were invited to participate in the study." Crilly,]., Chaboyer, W., & Creedy, D. (2004). Violence towards emergency department nurses by patients. Accident and Emergency Nursing, 12(2),67-73. Excerpt from page 69.