refers to the consistency of the results of a test across items within the test. do split half method to see if you get the same results in the second half of the test.
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external reliablity and how its tested
refers to the extent to which the a test cores varies from one to another. for this do a test retest to see if the result you get on the first test is the same as what you would get on another test.
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inter-rater reliabilty
to avoid observer bias. two observers need to observe behaviour and correlate them to see if they are similar.
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validity
this is seeing how accurate a piece of research is at measuring what it says its meauring. if there is lots of extraneous variables then the IV may be effected by it.
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what is high internal validity
if there are high degrees of control and no extraneous variale it has high internal validity.
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external validity
if the research has been done in a real life setting it has high external validty so it can be geneeralised
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face validity
how good the test looks to be at what it is supposed to be testing
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construct validty
where a test measures the behaviour it sets out to measure
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concurrent validity
where a test give the same result as another study which claims to measure the same behaviour
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criterion validity
how much one measure predicts the value of another measure
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population validity
how accurately the test measurees behaiour that can be generalised to the wider population.
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ecological validity
where the test can be conconsidered to replicate real life settings
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thurstone scale
where the particpants must select which statements apply to them
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likert scale
where the particpants are asked to rate how they feel about something
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semantic differentail scale
where they are asked to rate items on opposing pairs
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event sampling
the observer record every behaviour that ocurrs
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time point sampling
where the observer records things at fixed intervals
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time event sampling
where a fixed period of time is set forr the observation
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counter balancing
is used when the same participants take part in each experimental condition. It involves the first half of the participants taking part in the first part of the experiment and the second taking part in the second and then switching to eliminate ord
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one tailed hypothesis
predicts a change and says in which way the direction will go
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two tailed hypothsis
will predict a change but wont say in which direction it will go in
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faulsifiabilty
the capacity to prove something wrong and prove the hypothesis wrong
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nomothetic
having general laws to stick to. eg; ethics
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rules for parametric testing
normal distribution variances should be equal interval data
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nominal data
shows catagories of behaviour and how oftern the occur. eg frequency table
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ordinal data
shows each individual scores so they can be ranked
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interval data
tells you differnces between individuals with measurement such as time.
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research report
title abstract introduction method, which contains design, particpants, materials and procedure results discussion references apendix
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harvard referencing
surname initial year source/ publisher volume page number
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Other cards in this set
Card 2
Front
refers to the consistency of the results of a test across items within the test. do split half method to see if you get the same results in the second half of the test.
Back
internal reliablity and how its measured
Card 3
Front
refers to the extent to which the a test cores varies from one to another. for this do a test retest to see if the result you get on the first test is the same as what you would get on another test.
Back
Card 4
Front
to avoid observer bias. two observers need to observe behaviour and correlate them to see if they are similar.
Back
Card 5
Front
this is seeing how accurate a piece of research is at measuring what it says its meauring. if there is lots of extraneous variables then the IV may be effected by it.
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