For each of the following goals of questions, select the best type of research methodology to use from the following options:
OBSERVATIONAL, EXPERIMENTAL, INTERVIEW/SURVEY, INCIDENT ANALYSIS
1. Determine the cause for a stock market crash triggered by erroneous computer orders
2. Do males and females use Twitter for different reasons?
3. Determine how people interact with GPS devices in their cars
4. Is it faster to locate an item with menus or with a search box?
For each of the following goals of questions, select the best type of research methodology to...