Sampling design

Sampling Design

There are ten questions in this quiz. Answer all questions.

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1/10

Deeba needs to conduct a survey for an English Teacher Association. She takes the list of all the members and calls every 15th name on the list. This best illustrates _________

simple random sampling

stratified random sampling

systematic random sampling

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1/10

Right answer (C):

Systematic sampling involves selection of every nth (i.e., 15th) individual in a population to be in the sample.

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2/10

select an arbitrary number from the table of random numbers

In simple random sampling, after a researcher has determined the desired sample size he/she must _____________

identify the population

list all members of the population

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2/10

Right answer (A):

After a researcher has decided to use simple random sampling as his/her sampling design, he/she must do the following steps:1) Make a list of all samples from a population2) Assign a sequential number to each sample. This will be the sampling frame (the list from which a researcher draws his/her simple random sample).3) Figure out what the sample size is going to be. 4) Use a random number generator to select the sample, using the sampling frame (population size) from Step 2 and the sample size from Step 3. For example, if a researcher's sample size is 500 and the population is 5000, generate 500 random numbers between 1 and 5000.

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3/10

The characteristics of a sample that include pertinent information about the sample, such as gender or socioeconomic status, are referred to as the samples _________

demographics

biases

properties

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3/10

Right answer (A):

Demographic data is statistical data collected about the characteristics of the population, such as age, gender, income, and education background

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4/10

A researcher is conducting a reading intervention study that involves only low achieving students of two schools. The intervention is delivered by the teacher to the entire classes, not the researcher. Which sampling technique is appropriate?

Convenience sampling

Purposive sampling

Cluster sampling

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4/10

Right answer (B):

In a case in which the issue undertudies only involves a specific group of students i.e. low achieving students in reading from two schools, random sampling might not be suitable. Thus, purposive sampling is more appropriate especially if the researcher is using a case study to explore the effectiveness of reading intervention program.

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5/10

A researcher uses an ethnographic study that concerns the transitions that refugees students face as they attend mainstream schools. The researcher is particularly interested in the potential differences in the challenges for male and female students face. Which sampling technique is appropriate?

Homogeneous sampling

Theoretical sampling

Expert sampling

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5/10

Right answer (A):

Homogeneous sampling is a purposive sampling technique that involves selection a homogeneous sample whose units (e.g., people) share the same (or very similar) characteristics or traits

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6/10

Deviant case sampling

Which of the following is NOT a type of non-probability sampling?

Quota sampling

Cluster sampling

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6/10

Right answer (C):

Random sampling or known as probability sampling has four types: 1) Simple random sampling, 2) Stratified random sampling (or sometimes, it is referred to as stratified sampling), 3) Systematic random sampling (or sometimes, it is referred to as systematic sampling) and 4) Cluster random sampling (or sometimes, it is referred to as cluster sampling)

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7/10

Quota sampling

Which sampling technique can help a researcher to overcome the problem of not having an accessible sampling frame?

Snowball sampling

Multi-stage cluster sampling

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7/10

Right answer (B):

Snowball sampling can help the researcher to overcome the problem of not having an accessible sampling frame

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8/10

When the population is widely dispersed geographically and you have limited time and money available for travelling, which is the best option of random sampling that you can use?

Simple random sampling

Multi-stage cluster sampling

Stratified sampling

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8/10

Right answer (B):

It is helpful to use a multi-stage cluster sample when the population is widely dispersed geographically and you have limited time and money available for travelling as well as you want to use a probability sample in order to generalise the results.

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9/10

snowball sampling

When people are readily available, volunteer, or are easily recruited to the sample, this is called __________

quota sampling

convenience sampling

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9/10

Right answer (C):

Convenience sample is a type of non-probability sampling method where the sample is taken from a group of people easy to contact or to reach

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10

10/10

selecting the sample

In general, all forms of sampling include the following steps except _______________

identifying the population

listing all members of the population

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10

10/10

Right answer (C):

All forms of sampling include the following steps (identifying a population, selecting sample and determining sample size) except listing all members of the population which is only for random (probability) sampling design

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Dr Hadijah Jaffri School of Education Faculty of Social Sciences and Humanities