Factual.
YES / NO Answers.
Short.
Begin with...
HOW or WHY ?
More in depth ; long responses
a research-able question • a rationale establishing why the research was important • a working bibliography of materials used in background reading and other resources that might be useful • a list of key words and phrases, with definitions, that could be used in searching for information.
EBSCO Discovery
Lexis Nexis