________ are appropriate when one or more variables can be identified as dependent variables and the remaining are independent variables

Jones Company is considering purchasing a new truck. The decision has been narrowed to two models. The cost of each of these two trucks is relevant to this business decision

Indicate whether the statement is true or false

Clarice went to WB.com and ordered a CD that she had heard playing in the background on Charmed and that was promoted at the end of the television show. In terms of the communication process, what was Clarice's purchase an example of?

a. feedback b. noise c. channelled communication d. message encoding