This resource is a tutorial from the Website CPALMS on Repetition and Replication: Learn how to differentiate replication (by others) from repetition (multiple trials) in experimental design. Through this resource students will learn about: Experimental Design, Controlled Experiments, Testable Question, Research, Background Information, Hypothesis, Independent Variable, Dependent Variable, Repetition, Multiple Trials, Mean, Average, Data Table, Data, Outliers, Replication, Analyze Results, and