Explore: Laboratory Experiments

untried. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated. Experiments vary

Laboratory experiments of speciation have been conducted for all four modes of speciation: allopatric, peripatric, parapatric, and sympatric; and various

Field experiments are experiments carried out outside of laboratory settings. They randomly assign subjects (or other sampling units) to either treatment

of which were used in experiments which have the potential to cause "pain and/or distress" though only 0.1% of cat experiments involved potential pain

Peirce's experiment inspired other researchers in psychology and education, which developed a research tradition of randomized experiments in laboratories and

with experiments in which the design introduces conditions that directly affect the variation, but may also refer to the design of quasi-experiments, in

from a series of over-population experiments Calhoun conducted on Norway rats between 1958 and 1962. In the experiments, Calhoun and his researchers created

footage of human experiments and executions from Unit 731. He later testified about the playfulness of the experimenters: Some of the experiments had nothing

Scientists have long attempted to produce ball lightning in laboratory experiments. While some experiments have produced effects that are visually similar to reports

which scientific or technological research, experiments, and measurement may be performed. Laboratories are found in a variety of settings such as schools