Desk research
Desk research is a method of investigation that involves gathering information by consulting documentary sources. Documentary sources can be books, scientific articles, reports, archival documents, databases, websites, social media, etc. Desk research is an important step in understanding a topic and obtaining accurate and up-to-date information. It can be used to study a variety of subjects, such as history, politics, science, technology, sociology, economics, etc. Desk research is a valuable tool for researchers, journalists, students and professionals.
Experimental research
Experimental research involves manipulating variables and observing the effect of these manipulations on measurable results. It is used to test hypotheses and to study the causes and effects of phenomena. For example, experimental research is useful for studying the effects of drugs, psychological treatments and educational interventions. It is also used to study the effects of environmental variables on human and animal behaviour.