COMP 3008 Chapter Notes - Chapter 7: Simple Random Sample, Stratified Sampling, Convenience Sampling

• School: Carleton University
• Department: Computer Science
• Course: COMP 3008
• Professor: Robert Biddle

Document Summary

Comp 300(cid:1012) chapter (cid:1011: three main techniques for gathering data: interviews, questionnaires, and observation. Interviews involve an interviewer asking one or more interviewees a set of questions, which may be highly structured or unstructured. Indirect observation making a record of the user"s activity as it happens to be studied at a later date. Triangulation investigation of a phenomenon from (at least) two different e(cid:374)sure that parti(cid:272)ipa(cid:374)ts(cid:859) perso(cid:374)al i(cid:374)for(cid:373)atio(cid:374) is prote(cid:272)ted perspectives: triangulation of data: data is drawn from different sources at different times, in different places, or from different people. Interviewees may mention issues that the interviewer has not considered: time-consuming to analyze, although themes can often be identified, structured interviews interviewer asks predetermined questions similar to those in a questionnaire. Important not to pre-empt an answer by phrasing a question to suggest that a particular answer is expected: e(cid:454). (cid:862)you see(cid:373) to like _____(cid:863), user (cid:373)a(cid:455) agree to not offend the interviewers interpretation.