Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower. Group of answer choices Control Group [ Choose ] Independent Variable [ Choose ] Dependent Variable [ Choose ] Constant [ Choose ]

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Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment", there is no change in the appearance of the green slime on either side of the shower.

1. What was the initial observation?

Identify the-

2  Control Group

3 Independent variable

4 Dependent variable

5. what should Homer's conclusion be?

1) initial observation: growth of a strange green slime in the shower

2)  Control Group: Half of the shower that was sprayed with water

3) Independent variable: volume of coconut juice sprayed

4) Dependent variable: disappearance of the green slime

5) spraying coconut juice is not effective when trying to get rid of slime in the shower after 3 days

Explanation:

The question wants to test your ability to interpret an experiment and identify the various components in an experimental design. Hence, I will explain the major concepts found in en experimental design:

Initial observation: These are the factors that precede the initiation of an experiment, and it is what the experiment seeks to change or support. In this case, the observation of slime in Homer's bathroom initiated the experiment.Control Group: The control group in an experiment is the group that does not receive treatment or intervention by the researcher, and serves as a benchmark for measuring the change occurring in the treatment group. In this example, the half of the bathroom sprayed with water, did not receive any intervention which is spraying with coconut juice. Independent variable: These are the variables that are completely under the control of the researcher and can be varied at will. The volume of coconut juice sprayed is completely under Homer's cntrol.Dependent variable: The dependent variable is the variable that changes or is expected to change as a result of the changing of the indepenedent variable. The outcome is outside the control of the researcher. Here, the disappearance of the slime is the dependent variable, because it depends on the spraying of coconut juiceConclusion: The conclusion is a statement made as a result of the observed results of the experiment. In this case, there was no change on the slime in the bathroom after three days of spraying with coconut juice

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