例句與造句

1. Hovland s  core conceptual variable was attitude .  With the pre existing research in the discipline being devoted to  measuring attitudes and to investigating factors in involved in attitude change,  it was different for Hovland to come in and look at an individual s predisposition to action when exposed to persuasive messages.
2. It's difficult to find conceptual variable in a sentence. 用conceptual variable造句挺難的