Research Methods

Definitions for the PSYA4 exam 

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opportunity sample
where people who are avaliable to you that fit your criteria are used.
1 of 5
Random sample
this is where all of the population have the same, equal chance of being selected.
2 of 5
volunteer sample
this is a self selected sample as those who want to take part in the study will volunteer for it.
3 of 5
internal reliablility
this is concerned with the consistancy of a test. it is usually assessed using the split-half method. this compares the first half of the test with the second half to check whether scores are consistant.
4 of 5
external reliability
is the ability to produce the same results every time the research is done. it is assessed by using the test-retest method.
5 of 5

Other cards in this set

Card 2

Front

this is where all of the population have the same, equal chance of being selected.

Back

Random sample

Card 3

Front

this is a self selected sample as those who want to take part in the study will volunteer for it.

Back

Preview of the back of card 3

Card 4

Front

this is concerned with the consistancy of a test. it is usually assessed using the split-half method. this compares the first half of the test with the second half to check whether scores are consistant.

Back

Preview of the back of card 4

Card 5

Front

is the ability to produce the same results every time the research is done. it is assessed by using the test-retest method.

Back

Preview of the back of card 5

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