Research data are recorded materials which are evidence-based and collected from systematic observations for analysis.
Information is processed data which forms meaningful context making it useful for research.
Primary data are based on firsthand observations and experiences.
Secondary data are interpreted data based on primary sourced data.
Journal and diary entries contain records and documentation during the data gathering.
Evaluative records are based on evaluating projects that depict rates of responses among a sample or population.
Artifacts, specimens, and laboratory samples are seen in experimental research in varying fields. Some artifacts vary from coins to tools while specimens and laboratory samples may be animals and plants.