Scientists use three types of investigations to research and develop explanations for events in the nature: descriptive investigation, comparative investigation, and experimental investigation.
Scientists use different methods of investigation in different circumstances. These methods include (in no particular order) fair testing, identifying and classifying, modelling, pattern seeking, and researching.
The three common approaches to conducting research are quantitative, qualitative, and mixed methods. The researcher anticipates the type of data needed to respond to the research question.
What are the 3 important elements of investigation?
Collecting all relevant evidence; Reviewing and analysing the evidence and information; and. Documenting the steps and findings in a concise and well-articulated report.
The basic process involves making an observation, forming a hypothesis, making a prediction, conducting an experiment and finally analyzing the results.
5 Whys is an iterative interrogative technique used to explore the cause-and-effect relationships underlying a problem. The goal is to determine the root cause of a problem by repeating the question “Why?”. Each answer forms the basis of the next question.
Scientific investigations can be observational — for example, observing a cell under a microscope and recording detailed descriptions. Other scientific investigations are experimental — for example, treating a cell with a drug while recording changes in the behavior of the cell.
Wikipedia has material on eDiscovery and digital evidence which might be of interest. There are four main types of investigation performed by digital forensics specialists.
The Basic Investigation Skills course focuses on key areas of crime investigation including case management, responding to a crime scene, interviewing, statement taking, gathering evidence, search warrants, and file presentation.
