Your friend went out to drink last night, even though he knew he should have stayed in and studied for an exam. according to freudian theory, what personality structure is causing the guilt he felt about it afterward?

The super-ego

Explanation:

According to Freudian theory, there are 3 personality structures:

So, your friend went out to drink even though he should've stayed in and studied (he followed his id), now that he's feeling guilt about it, he's thinking about what he did wrong, and it's the super-ego which is concerned with what's right and what's wrong and moral rules.

Thus, the super-ego is causing the guilt.

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”

answer; they both highlight the power of the situation in determining behavior;