Describing sampling methods
Evaluating sampling methods
Describing data types
Evaluating data types
Bonus Research methods questions
100
Every person in the population has an equal chance of being chosen for the sample
What is random sampling
100
it is perfectly unbiased
What is an advantage of random sampling
100
Data that uses words
What is qualitative data
100
Tends to be more reliable as it can easily be replicated
What is an advantage of quantitative data
100
Participants can write whatever they link which increases the validity of their reponses
What is an advantage of open questions on a questionnaire
200
People choose to take part in the sample after responding to an advert
What is volunteer sampling
200
You can get a biased sample people only certain people might want to take part.
What is a disadvantage of volunteer sampling
200
Data that uses numbers
What is quantitative data
200
It is more valid because participants can say what they really think
What is an advantage of qualitative data
200
You have to follow a script exactly, leaving no room for looking more in depth at any interesting topics. This reduces validity
What is a disadvantage of an structured questionnaire
300
The researcher uses participants for their sample based on who is available at the time
What is opportunity sampling
300
It is very cheap to do as you just use whatever participants happen to be around
What is an advantage of opportunity sampling
300
Data that comes in categories
What is nominal data
300
It can take a lot longer to analyse
What is a disadvantage of qualitative data
300
They are very easy to replicate and so can be tested for reliability
What is an advantage of a questionnaire
400
The researcher goes through all of the population choosing every nth (for example 10th) person.
What is systematic sampling
400
You get a very biased sample from only one place that would give you poor population validity
What is a disadvantage of opportunity sampling
400
Data that is on some form of scale - often a ranked scaled
What is ordinal data
400
Participants can be forced to choose an answer that may not represent their views. This reduces validity.
What is a disadvantage of quantitative data
400
It can be very time consuming to conduct.
What is a disadvantage of an interview
500
The researcher ensures that the sample is proportional to the population
What is stratified sampling
500
It is very time consuming and you need to use another sampling method to actually pick the sample.
What is a disadvantage of stratified sampling
500
Data that comes from raw measurements
What is interval data
500
It is very easy to analyse and can be summerised and represented in a variety of ways
What is an advantage of quantitative data
500
When the participant guesses the outcome of the research and then responds in what they think is a desirable way.
What is demand characteristics
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