research methods ; reliability 0.0 / 5 ? PsychologyResearch methods and techniquesA2/A-levelAQA Created by: ilovetheofficeCreated on: 13-05-18 12:03 RELIABILITY DFGD 1 of 41 a measure of? consistency 2 of 41 in general terms a measurement is reliable if what can happen to it? it can be repeated 3 of 41 so basically what is the question here to do with rulers and friends? can researchers have the same confidence in their psych tests / obs / questionnaires as most of us have in rulers 4 of 41 WAYS OF ASSESSING RELIABILITY DFG 5 of 41 - test-retest dgdg 6 of 41 what do you do? administering the same test / questionnaire to the same person on different occasions 7 of 41 what will happen if test is reliable results should be the same or @ least similar 8 of 41 method most commonly applied to? questionnaires / psych ests 9 of 41 why must there be sufficient time between test and retest? ensure the pp can't recall answers to qs 10 of 41 but can;t be so long that? opiinons / balilites have changed 11 of 41 in case of questionnaire / test what wuld happen to scores to make sure similar? correlated 12 of 41 when is reliability of measuring instrument assumed to be good? when correlation turns out to be significant 13 of 41 - inter-observer reliability dg 14 of 41 eye of the beholder relevant to observational research why? one researcher may interpret things differet 15 of 41 what does this introduce to data collection process? subjectivity / bias 16 of 41 what do they do to combat this? have researchers conduct observations in @ least teams of two 17 of 41 howver what must b established? inter-observer reliability 18 of 41 this may involve pilot study why? check observers are applying behaviour categories same way 19 of 41 observers watch same event but record data? separately 20 of 41 what should happen after to assess reliability? data should be correlated 21 of 41 IMPROVING RELIABILITY DFHDF 22 of 41 - questionnaires fhfd 23 of 41 comparing two sets of data should proceed correlation that exceeds? +.80 24 of 41 what should happen if q comes up with low test-retest? some qs may need to be deselected / rewritten 25 of 41 one solution may be to replace some of the open questions with? closed fixed choice alternatives which may be less ambiguous 26 of 41 - interviews dfdfg 27 of 41 for interviews what is probs best way of ensuring reliability? use same interviewer each time 28 of 41 if this isn't practical what should happen? interviewers shold be properly trained 29 of 41 what kind of interviewers are easier to do this with? structured interviews 30 of 41 what kind of interviews are less likely to be reliable? unstructured 'free-flowing' ones 31 of 41 - experiments dfgdf 32 of 41 why are lab experiments often described reliable? rsrcher can exert strict ctrl over many aspects of the procedure e.g instructions pps recieve / condts 33 of 41 control is more achievable in lab but lab reliability is more about relication of method than? reliability of a finding 34 of 41 but what is one bad thing about labs that can affect reliability of finding? pps tested under slightly different condts each time tested 35 of 41 - observations dgfdg 36 of 41 reliability of obersvations can be improved by? making sure behavioural categories have been properly observationalised 37 of 41 and that they are? measurable / self-evident 38 of 41 what should categories not do? overlap 39 of 41 and what should be covered on checklist? all possible behaviours 40 of 41 what happens if these things don't happen? different observers have to make own judgement of what to record where and may have inconsistent records 41 of 41
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