Changes for page Measuring Instruments
Last modified by Sofia Kostakonti on 2022/04/04 12:04
From version 
4.1 
4.1
edited by Veikko Saikkonen
on 2022/03/01 11:59
on 2022/03/01 11:59
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To version 3.1
3.1
edited by Veikko Saikkonen
on 2022/03/01 11:46
on 2022/03/01 11:46
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... ... @@ -43,48 +43,4 @@ 43 43 **T**echnologies: Hardware and software 44 44 45 45 46 -= Evaluation methods = 47 47 48 -== Formative evaluation == 49 - 50 -- Open ended evaluation on the design 51 -- E.g. How will the users respond to the new design? 52 - 53 - 54 -== Summative evaluation == 55 - 56 -- Focus on the overall effect 57 -- Summarizes if the objective is reached 58 -- E.g. Are the participants happier when working with design X in comparison to design Y? 59 - 60 -== Data == 61 - 62 -- Qualitative: Explore, discover, instruct 63 - 64 -- Quantitative: Describe, explain, predict 65 - 66 - - Subjective quantitative 67 - 68 - 69 -== Statistics == 70 - 71 -- Descriptive: Describe the dataset, e.g. mean time on task 72 -- Inferential: Using a sample to infer about a population, e.g. predicted mean time on task based on user characteristics. 73 - 74 -== Experiment Design: Conditions == 75 - 76 -=== Within Subjects (Repeated Measures) === 77 -Each participant is subjected to all the test conditions. 78 -Fewer subjects needed and reduces variance in the Can be difficult to setup due to subjects fatiguing, learning about the setup or simply not having enough time. 79 - 80 -=== Between Subjects (Between Groups) === 81 -One subject undergoes only one test. Simple to execute, but results in significant variance due to inter-subject differences in characteristics. 82 - 83 - 84 -== Lenses == 85 -- Lense means to take different perspectives looking at your system 86 -- E.g. perspective of the stakeholders, other groups, or technical/legal 87 - 88 - 89 - 90 -