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Pyschology As > Sampling Tecnhiques > Flashcards

Sampling Tecnhiques Flashcards

1
Q

Whole population

A

Everyone

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2
Q

Target population

A

Anyone who matches the group you want to research

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3
Q

Sampling frame

A

List of people who you could research

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4
Q

Sample

A

Group who you are working with

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5
Q

What is random sampling ?

A

Members of the target population have a equal chance of being selected to participate

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6
Q

What is systematic sampling?

A

The population size is divided by the sample size to dictate which participants are selected for the sample e.g. every Nth name from the sampling frame

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7
Q

What is stratified sampling?

A

Ensure that the key characteristics of the population are represented in the same proportion in the sample. Number they want\ number they have x people in each group

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8
Q

What is opportunity sampling?

A

Participants who were selected because of their availability

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9
Q

What is volunteer sampling?

A

A sample by the participants were self-selected

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10
Q

Advantages of random sampling

A
  • The researcher has no control over who is being selected

- investigator bias is avoided

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11
Q

What are the advantages of systematic sampling

A

-The only input the researcher has is deciding the sample size

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12
Q

What are the advantages of stratified sampling

A

Could guarantees that all key characteristics are present in the sample

The sample can be generalised

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13
Q

What are the advantages of opportunity sampling

A

Less time-consuming than other techniques

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14
Q

What are the advantages of volunteer sampling

A

Less time-consuming

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15
Q

What are the disadvantages of random sampling

A

It will limit generalizability

Might not get the same proportion of people in the group

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16
Q

Are the disadvantages of systematic sampling

A

Sample may not be representative therefore limiting generalizability

17
Q

What are the disadvantages of stratified sampling

A

If all the key features of the population are not identified in the sample may not be representative

18
Q

What are the disadvantages of opportunity sampling

A

It might limit generalizability and the researcher may be bias

19
Q

What are the disadvantages of volunteer sampling

A

The sample may be biased as only certain types of people are motivated to volunteer for research therefore limiting generalizability

20
Q

Sampling techniques

A 
Random sampling
Systematic sampling
Stratified sampling 
opportunity sampling
Volunteer sampling

Pyschology As (19 decks)

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