1) 1. What is the main goal of probability sampling ? a) To select a sample that is easy to access. b) To ensure that every individual in the population has an equal chance of being selected. c) To choose participants based on specific characteristics. d) To gather data as quickly as possible. 2) 2. Which of the following is an example of simple random sampling ? a) Selecting every 5th patient who enters a clinic. b) Drawing names from a hat to select participants.ants. c) Choosing patients based on their diagnosis. d) Selecting participants who are available on a specific day. 3) 3. In a hospital with 1,000 patients, you want to use stratified random sampling to ensure representation of different age groups. What would be the first step ? a) Randomly selecting 100 patients from the entire hospital population. b) Surveying the first 100 patients who agree to participate. c) Dividing the population into different age groups. d) Asking the hospital staff to recommend participants. 4) 4. Which of the following scenarios best describes cluster sampling ? a) A researcher randomly selects 50 patients from each department of a hospital. b) A researcher selects patients who visit the hospital on a specific day. c) A researcher randomly selects patients based on their medical condition. d) A researcher divides a hospital into wards and then randomly selects all patients from two wards. 5) 5. If you are conducting a study on nursing burnout and use systematic sampling with a sample interval of 10, which of the following best describes the process ? a) Select every 10th nurse from a list of all nurses in the hospital. b) Select participants based on their work shifts. c) Choose 10 nurses at random from each department. d) Select the first 10 nurses who volunteer for the study. 6) 6. Which of the following is a characteristic of non-probability sampling ? a) Every individual in the population has an equal chance of being selected. b) Sampling is based on the researcher's judgment or convenience. c) It is always more representative than probability sampling. d) It requires a complete list of the population. 7) 7. Which of the following is an example of convenience sampling ? a) Selecting participants who are available at the time of the study. b) Randomly selecting patients from a hospital database. c) Choosing participants from different departments based on their specialty. d) Stratifying patients by age and then randomly selecting from each group. 8) 8. A nursing researcher is conducting a study on patient satisfaction and selects participants who meet specific criteria. This is an example of: a) Simple random sampling b) Systematic sampling c) Purposive sampling d) snowball sampling 9) 9. Snowball sampling is particularly useful when: a) The population is large and well-defined. b) The study requires a randomized sample. c) The study is focused on common conditions. d) The population is hard to reach or hidden. 10) 10. Which of the following best describes quota sampling ? a) Participants are selected based on their willingness to participate. b) The sample is chosen to reflect specific characteristics of the population in proportion c) Every nth person on a list is selected for the study. d) Participants are chosen based on recommendations from other participants.

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