FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Under the main three basic groups of research methods (quantitative, qualitative and mixed), there are different tools that can be used to collect data. Interviews can be done either face-to-face or over the phone.

Detailed explanation-2: -There are a number of alternative methods available for systems analyst. Those include observation, work measurement, sampling, and questionnaires.

Detailed explanation-3: -Data may be grouped into four main types based on methods for collection: observational, experimental, simulation, and derived. The type of research data you collect may affect the way you manage that data.