CRI350H1 Lecture Notes - Lecture 10: Quasi, Internal Validity, Research Question
Document Summary
In quasi-experimental designs, the researcher isn"t able to randomly assign subjects to experimental & control groups. Recall that in an ideal experimental scenario, the researcher has total control over assignment & randomizes individuals into treatment & control. This means you can"t assume the 2 groups are reasonably equivalent at the start of the. Quasi-experimental designs therefore must address a range of questions of internal study validity. Canadian residents have begun to demand that the gov"t do more to address the psychological harms that crime can have on victims & the province is considering expanding counseling services. You"re hired to evaluate the effect of providing counseling to crime victims. Using state records, you randomly sample 100 crime victims who received psychological counseling from victim service agencies in ontario in 2017. Using police records, you randomly sample 100 people who were victims of crime in. Ontario in 2017 & who had not received any psychological counseling.
