Answer:
a. Little support exists for the idea that "opposites attract."
Explanation:
Scientists discovered that the idea that opposites attract is a fallacy after realizing that there is attraction only among those who share the same values and concepts. In their research, they found that people who think similarly tend to attract, whereas people who don't tend to repel each other.
This movie was b. Dave.
It's about Dave Kovic ( hence the name of the movie) who is agency worker that has a side-job of substituting the president in public appearances.
Answer: Ingratiation
Explanation: Ingratiation is the psychological method for gaining the help and favor from someone by influencing them through their like-able behavior .It can help to attain the target's favor by being strategically influential.
Other options are incorrect because inspirational appeal is used for inspiring the other individuals. Legitimization is used handling situations by the means of law and rational persuasion is for effecting the decision of someone through facts.
Expand it?
I haven't watched the documentary yet so. Sorry