CS235 Lecture Notes - Lecture 4: Content Validity, Sampling Fraction, Verstehen
Document Summary
Validity and quality of research: type of data sources and data collection settings, data collection strategies, research design, sampling methods, warrants, discovery/positivist paradigm warrant. Learning objectives: understand what counts as communication data. Identify the type of data sources, data collection setting, and strategies used in published communication research: articulate criteria to evaluate the methodological quality of a study associated with each epistemological paradigm. Keywords: data sources, cross-sectional design, longitudinal design, population, sampling frame, random vs non-random sampling, measurement validity. Internal validity: external validity, reliability, reflexivity, triangulation. Types of data sources: data sources, types of data sources, text: symbolic, performed, visual/pictorial data used as evidence to support communication research claims, direct observations, self-reports, other-reports, direct observation, 1. Behavioural observation laboratory observation: naturalistic observation, 2. Physiological assessment: self-reports and other reports, 3. Self-reports: survey questionnaire interview/focus group, depend of the participants, 4. Other-reports (cid:894)per(cid:272)eptio(cid:374)s of a(cid:374)other perso(cid:374)"s (cid:271)ehaviour(cid:895: survey questionnaire interview/focus group, similar but the participants are different.
