Question

TRUE / FALSE to the questions below

1. One of the experimental researcher's main goals is to identify the possible extraneous

                variables other than the treatment that may affect the results of the experiment and to eliminate or control them.

2.           Blinding refers to the control of subjects' knowledge of whether or not they have been

                given an experimental treatment, such as not informing the subjects whether they have the diet or regular formulation of a cola drink.

3.           Internal validity has to do with the interpretation of the cause-and-effect relationship in

                an experiment.

4.           The major difference between experimental research and other research is the

                experimenter's ability to "hold constant" conditions and to manipulate the independent variable.

5.           Internal validity has to do with the ability of the researcher to generalize the results of    

                the study to the external environment.

Answer 1