AP PSYCHOLOGY

Detailed explanation-1: -The experimental method involves the manipulation of variables to establish cause and effect relationships. The key features are controlled methods and the random allocation of participants into controlled and experimental groups.

Detailed explanation-2: -Any research conducted under scientifically accep t able conditions uses experimental methods. The success of experimental studies hinges on researchers confirming the change of a variable is based solely on the manipulation of the constant variable.

Detailed explanation-3: -Experimental research, also known as “true experimentation, ” uses the scientific method to determine the cause-and-effect relationship between variables. This method uses controls for all of the crucial factors that could potentially affect the phenomena of interest.

Detailed explanation-4: -Random assignment is a method for assigning participants in a sample to the different conditions, and it is an important element of all experimental research in psychology and other fields too. In its strictest sense, random assignment should meet two criteria.