Question:
The essential difference was that science was predictive and magic was effective--though the end results were often the same.

Does it follow that "The end results of science and magic were very different."?
Answer:
no

Question:
This was the life of Jacob White, flashing before my eyes.

Does it follow that "I saw Jacob's life in my mind."?
Answer:
yes

Question:
Haven't I always hated him like poison?"

Does it follow that "I can't stand to be in the same room with him."?
Answer:
it is not possible to tell

Question:
And yet, these sad-faced, cigar-munching Amos and Andy figures--which seem to date from the time when white actors yielded to black in those roles--have a racially ambiguous pathos.

Does it follow that "Amos and Andy figures have a racially ambiguous pathos."?
Answer:
yes