In Task 1, you selected the participants’ groups and assigned roles for the research board. For Task 2, you will
now analyze the data collected from the groups.
The study participants were divided into four groups—two groups received the Power Pill (Group A and Group
B) and two groups received a placebo (Group C and Group D). The effects of the Power Pill were measured.
One group that received the Power Pill (Group A) and one group that received the placebo (Group C) were told
of the anticipated effects of the Power Pill—accelerated hair growth—while the other two groups (Group B and
Group D) were not provided with this information. All four groups were told to monitor and report any physical
changes during the study.
Results were reported and participants were grouped as to either “Saw Results,” meaning that participants
reported increased hair growth as part of physical changes during the study, or “No Results,” meaning that
increased hair growth was not mentioned as part of physical changes during study.
6 in Group A saw results.
7 in Group B saw results.
5 in Group C saw results.
4 in Group D saw results.
Part 1:
Create a two-way table for the data and find the probabilities for each group. Describe results in terms of the
study.
Part 2:
What is the probability that a person saw results, given they received the Power Pill? What is the probability
that a person saw results, given they received a placebo? Explain in terms of the study.
Part 3:
What is the probability that a person received the placebo, given that they did not see results? What is the
probability that a person received the Power Pill, given that they did not see results? Explain in terms of the
study.
Submit your completed Task 2 file under 08.11 Segment Two Honors Project Task 2.
TASK 3
Part 1:
Based on your knowledge of fair decision making and probability concepts, should the Power Pill be produced
and distributed? Explain your reasoning.
Part 2:
What effect (if any) did telling two groups about expected outcomes have on results? Use statistics to provide
proof for your reasoning and explain.
Part 3:
Are there any flaws in the testing process? Should any of the steps or protocol be changed/avoided during
round two of testing? Explain your reasoning.
Submit your completed Task 3 file under 08.11 Segment Two Honors Project Task 3.
Teacher FEEDBACK
Hi! Daniela,
Thank you for submitting task 3. It looks like you are struggling a bit. You will need to redo this part of the
project as you must score at least a 60% on each section to earn the honor's credit. Here are some hints to
help you out:
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Part 1
Was the percentage it worked high enough to be really confident it will work on most people? Wasn't the %
just over 50%? Is that enough to be really convincing?
Part 2
Which groups were told of the outcomes? Does knowing the expected outcome appear to have affected the
results?
Part 3
Should the groups be told of the expected outcomes? Tell me why…
Should each volunteer be asked to "report physical changes" on their own or should this be done by the person
doing the experiment so results are all figured the same?