Title: PSYCH 610 Week 8 Individual Assignment Week Eight Homework Exercise Sample content: Week Eight Homework Exercise Answer the following questions covering material from Ch. 14 of Methods in Behavioral Research: 1. What is replication, and what role does it play in increasing the external validity or generalizability of a study? In what way is the IRB involved in using participants in a research study? Replication is best defined as a way of copying something. To assure security against limited generalizability, research studies utilize replication as a technique (Cozby, 2009). This is used to point out generalizability among various groups. It helps the researchers achieve valid and reliable results. IRB can help protect the right of the individuals who took part in the research study. 2. What are the advantages and disadvantages of using college students as participants in research studies? Using college students as participants in the study enables expansion of