Which procedure describes a probability sampling method?
1. Identification of a sampling frame for an accessible population, writing element names on paper, placing the written names in a bowl, and drawing element names from the bowl
2. Identification of community organizations and churches in an urban setting and recruiting participants
3. Identification of individuals demonstrating the variable(s) of interest to the researcher and recruiting participants based upon suggestion from the first individuals identified
4. Identification of the accessible population and selecting study participants based upon the researcher's belief that the participant is representative of the accessible population
Question 2
Identify the phrase that describes an accessible population.
1. All children enrolled in first grade
2. All clients undergoing laparoscopy
3. All adults with open-angle glaucoma treated by an ophthalmologist
4. All adolescents studying biology at the local high school
The scientific method.
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