[Solved] According to your text,analysts believe that over the next few years there will be an explosion in the availability of pornography: A)on social networking sites. B)among avatars in virtual worlds. C)on cell phones. D)in supermarkets. E)on HDTV. Low-Fat Diet: A dietary approach that reduces the intake of fat, especially saturated fat and cholesterol, to promote heart health and possibly aid in weight loss. Control Group: A control group is a group in an experiment that does not receive the experimental treatment, allowing researchers to measure the effect of the treatment by comparison. Extraneous Variables: Factors other than the independent variable that can affect the outcome of an experiment and need to be controlled. Experimental Group: The group in an experiment that receives the treatment or intervention under study to investigate its effects.