EDUCATION (CBSE/UGC NET)

Detailed explanation-1: -Hence, the Absence of a treatment group is a process not needed in experimental research.

Detailed explanation-2: -True experiments have four elements: manipulation, control, random assignment, and random selection. The most important of these elements are manipulation and control. Manipulation means that something is purposefully changed by the researcher in the environment.

Detailed explanation-3: -Observational Research It is classified as non-experimental because it does not involve the manipulation of independent variables. A good example of observational research is an investigation of the crowd effect or psychology in a particular group of people.

Detailed explanation-4: -Experimental research is scientifically-driven, quantitative research involving two sets of variables. The first set of variables, known as the independent variables, are manipulated by the researcher, in order to determine the impact on the second set of variables-the dependent variables.

Detailed explanation-5: -Which of the following is not a requirement for an experimental study? Repeated measures are not a requirement for an experimental study. Random sampling, a control group, and control of the intervention are required for an experimental study.