Research Design Exam Questions (43 Terms) With Verified Definitions Updated 2024

internal validity {Ans: the ability to show that manipulation or variation of the independent variable actually causes the dependent variable to change}multigroup design {Ans: experimental design with more than one control and experimental group}demand characteristics {Ans: aspects of the research situation that cause participants to guess the purpose or rationale of the study and adjust their behavior or opinions accordingly}period effect {Ans: an indicator or measure of history effects on a dependent variable during a specified time period}causal relationship {Ans: a connection between two entities that occurs because one produces, or brings about, the other with complege or great regularity}assignment at random {Ans: random assignment of subjects to experimental and control groups}