CSC318H1 Chapter Notes - Chapter 8: Web Analytics, Jargon, Preempt
Document Summary
Setting goals: need to id specific goals for study before gathering data. Goals influence nature of data gathering sessions, techniques used, anaylsis to be performed: goals expression can be informal/formal. Interaction design, usually express data gathering goals informally. Identifying participants: goals indiciate the specific people to gather data from. Sampling population too large, need to choose (population) subset. Saturation sampling all members of population. Techniques: convenience sampling, volunteer: participant selection techniques. Porbabaility methods = statistical tests, generalize to. Random sampling use random number generator, or choosing nth person in a list. Stratified sampling divide population into groups (ex. by attributes) then apply random sampling. Non-probability methods = cannot reliably generalize to population. Conveniencee sampling, volunteer panel selection rely more on participant availability. Relationship with participants: relation btwn participants and researcher = clear and, may need informed consent from participant to ensure professional they"re aware. Triangulation: investigation of a phenomenon from (at least) 2 perspective, 4 types:
