Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

AQA Psychology - Research Methods > Sampling > Flashcards

Sampling Flashcards

You may prefer our related Brainscape-certified flashcards:
Psychology 101 flashcards GRE® Psychology flashcards AP® Psychology flashcards
1
Q

What is a population?

A

Large group of people that a researcher is interested in studying

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a sample?

A

The participants taking part in the experiment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What should a sample be?

A

Generalisable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What do we mean by generalisable sample?

A

Sample should be drawn to representative of the population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 5 types of sampling techniques?

A
  • Opportunity sample
  • Volunteer sample
  • Random sample
  • Systematic sample
  • Stratified sample
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is opportunity sample?

A

-People who are most available

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How to carry out an opportunity sample?

A

Ask people nearby

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Strengths of opportunity sample:

A

Convenient and quick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Limitations of opportunity sample:

A

Biased = unrepresentative of target population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is volunteer sample?

A

Participants select themselves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How to carry out a volunteer sample?

A

Advertisement to get the participants to volunteer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Strengths of volunteer sample:

A

-Willing participants = more likely to engage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Limitations of volunteer sample:

A

Biased sample = participants share similar traits (e.g keen, curious)
Cannot generalise to population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is a random sample?

A

Everyone in the target population has an equal chance of being chosen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How to carry out a random sample?

A
  • Lottery method

- Individuals of target population given number, randomly select i.e by random number generator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Strengths of a random sample:

A

Unbiased = researcher has no influence over who is selected

17
Q

Limitations of a random sample:

A

Representation of population is not guaranteed

18
Q

What is a systematic sample?

A

Participants selected using a set pattern (sampling frame)

19
Q

How to carry out a systematic sample?

A

Every nth person is selected from a list of the target population

20
Q

Strengths of systematic sample:

A

Unbiased = objective

21
Q

Limitations of systematic sample:

A

Time and effort to make a complete list of population

22
Q

What is stratified sample?

A

Participants selected by their frequency in the target population

23
Q

How to carry out a stratified sample?

A

Strata are identified, relative percentage of strata represented in sample

24
Q

Strengths of stratified sample:

A

-Representative

25
Q

Weakness of stratified sample:

A

Stratification not perfect = complete representation is not possible

AQA Psychology - Research Methods (25 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions