Marlin wants to make his anemone home a safer place to live. He has created an
ointment that he thinks will reduce the stinging power of the anemone. He recruits 100
neighbors that are willing to participate in his study. He has 50 of them (Group A) apply the
new ointment to their scales. The other 50 (Group B) apply a mixture that looks exactly like
the new ointment, but is really just a mixture of sand and dye. Both groups were told that
they were getting the ointment that would reduce anemone stings. Two hours after applying the ointment, 30
neighbors in Group A reported having fewer stings from their anemones and 8 neighbors in Group B reported
having fewer stings.
a. Which people are in the control group?
b. What is the independent variable?
c. What is the dependent variable?
d. What should Marlin’s conclusion be?
e. Why do you think 8 people in Group B reported feeling better?

Question

15-09-2021
Chemistry

contestada

Marlin wants to make his anemone home a safer place to live. He has created an
ointment that he thinks will reduce the stinging power of the anemone. He recruits 100
neighbors that are willing to participate in his study. He has 50 of them (Group A) apply the
new ointment to their scales. The other 50 (Group B) apply a mixture that looks exactly like
the new ointment, but is really just a mixture of sand and dye. Both groups were told that
they were getting the ointment that would reduce anemone stings. Two hours after applying the ointment, 30
neighbors in Group A reported having fewer stings from their anemones and 8 neighbors in Group B reported
having fewer stings.
a. Which people are in the control group?
b. What is the independent variable?
c. What is the dependent variable?
d. What should Marlin’s conclusion be?
e. Why do you think 8 people in Group B reported feeling better?

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pstnonsonjoku pstnonsonjoku · Answer 1 · 2021-09-17T15:13:55+02:00

Marlin conducted an experiment in which independent variable is receiving an ointment and an dependent variable is number of anemone stings.

The people in the control group were neighbors in group B. The independent variable is the application of the ointment. The dependent variable is the number of anemone stings. Marlin’s conclusion should be that the ointment was successful in reduce the stinging power of the anemone. The eight people in group B reported feeling better because they believed that they were receiving the protective ointment.

An experiment must always have a dependent variable and an independent variable. The dependent variable is the variable that changes when the independent variable is manipulated.

In this case, the dependent variable is the number of anemone stings and the independent variable is the application of the ointment.

The experimental group (group A) received the ointment and a significant number of 30 participants reported feeling better meaning that the ointment was successful at protecting participants from anemone stings.

The control group (group B ) did not receive the ointment but received a placebo. Eight participants in that group reported feeling better because they believed that they received the protective ointment.

The experiment is successful and the ointment have been shown to protect people against anemone stings because more than 60% of the participants in the experimental group reported lesser anemone stings whereas only 16% of participants in the control group reported feeling better.

Learn more: https://brainly.com/question/967776

lilianatorres09133 lilianatorres09133 · Answer 2 · 2021-10-13T23:33:04+02:00

lilianatorres09133 lilianatorres09133

13-10-2021

Answer:

b. What is the independent variable?

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