Class Activity sampling methods

Question 1

Process of selecting a group of people, events, behaviors, or other elements that are representative of the population being studied.

Answer 1

Sampling

Question 2

Portion of the target population to which the researcher has reasonable access

Answer 2

Accesible population

Question 3

All elements (individual, objects, events, or substances) that meet the sampling criteria for inclusion in a study.

Answer 3

Target population

Question 4

Judgement sampling that involves the conscious selection by the researcher of certain subjects or elements to include in a study.

Answer 4

Purposeful or purposive sampling

Question 5

List of the characteristics essential for membership in the target population.

Answer 5

Sampling criteria

Question 6

Random sampling occurs when every member (element) of the population has a probability higher than zero of being selected for the sample; examples of random sampling methods include simple random sampling, stratified random sampling, cluster sampling, and systematic sampling

Answer 6

Probability sampling

Question 7

Sampling method that involves selecting every kth individual from an ordered list of all members of a population, using a randomly selected starting point.

Answer 7

Systemic sampling

Question 8

Sampling method that involves the random selection of subjects from the sampling frame for a study.

Answer 8

Simple and random sampling

Question 9

Random sampling method used when the researcher knows some of the variables in the population that are critical to achieving representativeness; the sample is divided into strata or groups using these identified variables.

Answer 9

Stratified random sampling

Question 10

Random sampling method in which a frame is developed that included a list of all states, cities, institutions, or organizations that could be used in a study; a randomized sample is drawn from this list.

Answer 10

Cluster sampling

Question 11

Snowballing technique that takes advantage of social networks and the fact that friends tend to hold characteristics in common; subjects meeting sample criteria are asked to assist in locating others with similar characteristics.

Answer 11

Network sampling

Question 12

Nonrandom sampling in which not every element of the population has an opportunity for selection, such as convenience sampling, quota sampling, purposive sampling, network sampling and theoretical sampling.

Answer 12

Non- probability sampling

Question 13

Convenience sampling method with an added strategy to ensure the inclusion of subjects who are likely to be underrepresented in the convenience sample, such as women, minority groups.

Answer 13

Quota sampling

Question 14

Sampling method that involves including subjects in a study because they happened to be in the right place at the right time.

Answer 14

Convenience sampling

Question 15

. A sampling method often used in grounded theory research to develop a selected theory through the research process.

Answer 15

Theoretical sampling

Question 16

A sample of 500 nurses was randomly selected from a list of all registered nurses in the state of Texas.

Answer 16

Simple random sampling

Question 17

A sample of 50 diabetic patients was obtained from an outpatient clinic and randomly placed in the comparison and experimental group.

Answer 17

Convenience sampling

Question 18

A sample of 10 subjects with HIV was obtained by asking three subjects to identify friends with HIV who might participate in the study

Answer 18

Networking sampling

Question 19

A sample of 1000 critical care nurses was obtained by asking 100 critical care nurse managers in 50 randomly selected, large hospitals to identify 10 staff nurses to complete a survey.

Answer 19

Cluster sampling

Question 20

A sample of 90 subjects was asked to participate in a study at an immunization booth in the mall.

Answer 20

Convenience sampling

Question 21

Gender was used to stratify a sample of 100 randomly selected subjects.

Answer 21

Stratified random sampling

Question 22

The researcher obtained a list of all certified nurse practitioners, picked a random starting point and then selected every 25th individual to participate in the study.

Answer 22

Systemic sampling

Question 23

A sample of 120 hypertensive subjects was recruited in a clinic to participate in a study.

Answer 23

Convenience sampling

Question 24

An equal number of patients with asthma, emphysema, and chronic bronchitis were recruited from the local Better Breathers Chapter and asked to participate in a study.

Answer 24

Quota sampling

Question 25

The sample included 24 participants; 12 were examples of strong self-care and 12 were examples of poor self-care.

Answer 25

Purposive sampling

Question 26

A sample of 1300 military personnel was randomly selected to participate in a study.

Answer 26

Simple random sampling

Question 27

A sample of 18 drug-addicted nurses was obtained by asking 8 subjects to identify friends who were drug-addicted.

Answer 27

Network sampling

Question 28

A sample of 17 home health patients was asked to participate in a study because they had what were determined to be stage IV pressure ulcers that were not healing.

Answer 28

Purposive sampling

Question 29

A sample of 150 adolescents was obtained at 3 fast-food restaurants.

Answer 29

Convenience sampling

Question 30

A sample of 110 surgery patients was randomly selected from a hospital and randomly placed in control and treatment groups.

Answer 30

Simple random sampling

Question 31

Starting from a random point, every 10th subject who entered the emergency department was selected for participation in the study until a sample of 100 was achieved.

Answer 31

Systemic sampling

Question 32

. A grounded theory study was conducted to develop a theory about responses to hurricane disaster and a sample was selected to promote the generation of the theory.

Answer 32

Theoretical sampling

Question 33

A sample of 120 heart transplant patients was obtained by asking 15 critical care nurse managers in 15 randomly selected, large urban hospitals to identify 8 patients to participate in a study.

Answer 33

Cluster sampling

Question 34

A sample of 12 subjects who had experienced sexual assault was selected;6 of them were considered to be coping well after the assault, and 6 were considered to be coping very poorly after the assault. Data saturation was achieved with these 12 subjects.

Answer 34

Purposive sampling

Question 35

. A sample of 150 subjects receiving care in a university health center was asked to participate in a study.

Answer 35

Convenience sampling