CMST 2TM6 Lecture 8: Lecture 8

• School: McMaster University
• Department: Communication Studies
• Course: CMST 2TM6
• Professor: Christine Quail

Document Summary

Crm chapter 6 warrants for research arguments. Warrant: the standards used to evaluate whether particular evidence represents a. Discovery form of argument: key: causality, necessity of cause: when the effect cannot occur when the cause is absent, sufficiency of cause: when the cause the best possible explanation for event. Expected to influence a change in another variable. Research wishes to explain x: dependent variable: y. Expected to change as a result of actions of the independent variable: testing for how x impacts y, ex: rq: do canadian and pakistani new frame middle east conflict differently. Alternate to causation": correlation = changes that occur together, but not necessarily x causes y. Discover standards of evaluating argument: validity. Internal validity: precision and accuracy with observations in the study: content validity items in a measuring instrument are representative, captures what the concept was meant to measure.