The extent to which sample data reflect the wider population from which the sample was drawn can be estimated using which one of the following?

Audience members quickly change first impressions as a speaker changes his or her delivery style

Indicate whether the statement is true or false

If your approach to argumentation is to use the basic principles of discourse ethics,

which of the following principles are you likely to employ? (a) You will be concerned with the "attitude" you and the other participants have towards argumentation. (b) You and the other participants will be especially concerned with respecting "the process of dialog" so that each of you will behave ethically as you engage in argumentation. (c) You and the other participants will be concerned about the possible consequences that may result from your argumentation. (d) All of the above