research methods ; experimental design 0.0 / 5 ? PsychologyResearch methods and techniquesA2/A-levelAQA Created by: ilovetheofficeCreated on: 11-05-18 19:47 experimental design refers to? way in which pps used n experiments 1 of 38 INDEPENDENT GROUPS DFD 2 of 38 what is this design? when two separate grps pps exp two different conditions 3 of 38 what then would happen with performance of two groups? compared 4 of 38 IG - EVAL DGD 5 of 38 biggest issue is what about pps that occupy different groups? not the same 6 of 38 if rsrcher finds mean difference in DV may be more to do with what than IV? individual differences 7 of 38 to deal with this problem researchers use? random allocation 8 of 38 why are independent groups less economical than repeated measures? each pp only gives one result 9 of 38 so what does this mean to produce equivalent data to repeated measures? twice as many pps 10 of 38 strength of IG is that what aren't a problem where they are for repeated measures? order effects 11 of 38 and pps also less likely to do what? guess the aim 12 of 38 REPEATED MEASURES DFGD 13 of 38 what does this entail? all pps exp both conditions 14 of 38 following what would happen to two sets data? compared to see if difference 15 of 38 repeateed measures guarantees? comparing like with like 16 of 38 whereas independent groups does what which may be a problem? compares different groups pps 17 of 38 RM ; EVAL DFGDG 18 of 38 each pp has to do two tasks and what may be sig? order 19 of 38 to deal with this researchers often use? counterbalancing 20 of 38 what does counterbalancing entail? half pps doing A then B / half B then A 21 of 38 why might order effects also arise? bc repeating tasks could create boredom / fatigue so deterioration perfomrance on second tak 22 of 38 alternatively performance may improve why? practice 23 of 38 therefore order acts as what kind of variable? confounding 24 of 38 also more likely pps will do what when exp all cond'? work out aim 25 of 38 for this reason what tend to be more of a feature of this than IG? demand characteristics 26 of 38 strengths of using repeated measures is that what is ctrlled? pp variables 27 of 38 MATCHED PAIRS DFGD 28 of 38 what happens here? pps paired together on variable / variables relevant to experiment 29 of 38 and then what happens to pairs? eahc allocated different condition 30 of 38 attempt ctrl which confounding variable? pp variables 31 of 38 and often necessitates use of? pre-test if matching effective 32 of 38 so like independent groups but? pps matched 33 of 38 MP ; EVAL DGDFF 34 of 38 only take pt in single condt so which 2 things less of a problem? order effects / demand characteristics 35 of 38 what is the problem with reucing pp variables this way? never matched exactly 36 of 38 why may ppl not match? time consuming / expensive 37 of 38 which makes htis less what than other designs? economical 38 of 38
Comments
No comments have yet been made