The earliest type of communication model, known as the interactive communication model, functions only in one direction

A medium is an intermediate substance, agency, or instrument through which a force acts or an effect is produced

Indicate whether the statement is true or false

Which of the following is a good use of statistical material in a speech?

a. Saying "This next section is about statistics on this problem, so pay close attention." b. Comparing large numbers to more recognizable concepts, like the national debt to the distance to the moon. c. Being very precise on statistics, such as down to the .01 place, so that the audience knows you've done your research d. Only provide a source when the statistics may sound unusual to the audience