EXPERIMENTAL DESIGNS IN PSYCHOLOGY

Experimentation is the most value method for finding the cause-effect relation between the variables. The experimenter, by carefully manipulating the independent variable and controlling the extraneous variables, examines the effects of changes in the independent variable on the dependent variable. Thus, the found relation between the independent and the dependent variables is a purest relation possible to obtain. There are different ways to conduct or process experiments in Behavioral sciences. In this unit we will discuss the features of some these ways