EBK BIOLOGY
6th Edition
ISBN: 8220106777640
Author: Maier
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 12LTB
What features of the story on milk chocolate and heart health described in question 11 should cause you to consider the results less convincing?
- The study was sponsored by a large milk chocolate manufacturer;
- A total of 10 rats were used in the study;
- The only difference between the rats was that human participants of the experimental group received chocolate along with their regular diets, and the human participants of the control group received no additional food;
- The reporter notes that other studies indicate milk chocolate does not have a beneficial effect on heart health;
- all of the above
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Students have asked these similar questions
The α level in the context of reporting findings from a randomized controlled trial corresponds to the probability of concluding:
Correctly that the treatment and control groups differ with respect to risk of outcome.
That the treatment and control groups differ with respect to outcome when in fact they do not.
Correctly that the treatment and control groups do not differ with respect to outcome.
That the treatment and control groups do not differ with respect to outcome when in fact they do.
That you don’t have sufficient information to present results.
A) Identify the INDEPENDENT variable in the experimental setup shown in the
diagram.
B) Describe at least two possible DEPENDENT variables that could be used to
evaluate the results.
C) List at least 3 variables that should be controlled in this experiment.
What is the primary reason for randomizing group allocation in a randomized controlled trial (RCT)?
Question 3 options:
to create treatment and control groups of equal size
to blind participants to their group allocation
to evenly distribute known and unknown factors that may affect the outcome between groups
to increase the treatment effect between intervention and control groups
Chapter 1 Solutions
EBK BIOLOGY
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Ch. 1 - Prob. 11LTBCh. 1 - What features of the story on milk chocolate and...Ch. 1 - Prob. 1AAATBCh. 1 - In an experiment examining vitamin C as a cold...Ch. 1 - Prob. 3AAATBCh. 1 - Prob. 1GFOCh. 1 - Much of the research on common cold prevention and...Ch. 1 - The science that you learned in this chapter has...
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