specific-sounding choices that lack concrete details

inference: cause-and-effect info.

reading: unfamiliar text more actively

main idea should a) make claim about the topic and b) lack concrete detail

after 500s, try reading 1st, 2nd, and last sentences of supporting paragraphs; skim everything else.

300=range scorers: very weak scanning skills. Need to work on scanning skills.

inference is really all about cause and effect.

What would author A say about ref B is really inference. Compare main idea of passage A with ref and find connection, then answer question.