18. A researcher is investigating if the medicine \"AIDSCURE\" is able to reduce
ID: 3445501 • Letter: 1
Question
18. A researcher is investigating if the medicine "AIDSCURE" is able to reduce the immune system dysfunction and cancer symptoms affiliated with HIV+. He gives 500 people 100mg of the drug daily, and 500 people a sugar-pill placebo daily. After a 6-month trial he measures the reduction of immune system dysfunction and cancer symptoms. Independent Variable: Dependent Variable: 19. In order to assess the influence of self-esteem on interpersonal attraction, researchers either insulted or complimented college students about their physical appearance just before they went on a blind date. They then measures how "attractive" the blind date was to the subject. Independent Variable: Dependent Variable: 20. In an experimental study of the extent to which mental alertness is inhibited by sleep deprivation, a group of 100 students was kept awake for 72 hours. They were then given simple tests of arithmetic, common sense, attention and concentration. Conversely, a group of 100 students were allowed to get 8 hours of sleep nightly for 3 days and were given simple tests of arithmetic, common sense, attention and concentration Independent Variable: Dependent Variable: 21. A researcher conducts a study on the effects of dieting on weight loss Independent Variable: Dependent Variable:Explanation / Answer
Q 18) In the above question independent variable is the peoples on which tests are being conducted and dependent variable is the number of people on which effect of the tests are conducted .
Q 19) In the above question number of the students insulted or complimented is independent variable and influence of self esteem is dependent variable.
Q 20) Here in this question , students are independent variable and mental alertness is dependent variable.
Q21) Here dieting is independent variable and weight loss is dependent variable.
Dear student , always remember that the variable which can be controlled by the experimenterby decreasing or increasing the quantity etc is independent variable and the effects of independent variable increments or decrements are always dependent variables. Dependent variables are the results only and can,t be controlled by the experimenter. Name is dependent variable because it is always depending on the independent variable only.
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