Single nucleotide polymorphisms, frequently called SNPs (pronounced âsnipsâ), are the most common type of genetic variation among people. Each SNP represents a difference in a single DNA building block, called a nucleotide.
Below is a definition of random assignment: Random Assignment Definition Random assignment is a procedure in conducting experiments in which each participant has the same probability of being assigned to a particular condition of the experiment.
Any other differences between groups, such as amount of sleep, G.P.A., or even unknown factors, are more likely to be equally distributed if subjects are chosen randomly. Random assignment is the only way to assume the difference in test scores is caused by listening to music while studying. It allows psychologists, and budding psychologists like yourself, to have confidence that the results of your study are valid.