Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 2TYK
PROCESS OF SCIENCE What does it mean to say that experimental conditions are controlled?
a. The test groups consist of the same individuals.
b. The null hypothesis is correct.
c. There is no difference in outcome between the control and experimental treatment.
d. All physical conditions except for one are identical for all groups tested.
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Chapter 1 Solutions
Biological Science (6th Edition)
Ch. 1 - Anton van Leeuwenhoek made an important...Ch. 1 - 2. PROCESS OF SCIENCE What does it mean to say...Ch. 1 - What does it mean to say that a characteristic is...Ch. 1 - 4. Could both the food competition hypothesis and...Ch. 1 - Prob. 5TYUCh. 1 - What did Linnaeus' system of naming organisms...Ch. 1 - 7. What is “selected” during natural selection?...Ch. 1 - 8. PROCESS OF SCIENCE Explain why researchers...Ch. 1 - CAUTION A friend tells you that the theory of...Ch. 1 - Prob. 10TYPSS
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- The purpose of the constant is to: a. allow for adjustment of the control b. eliminate other potential factors/variables in the experiment c. allow for the dependent variable to show the necessary outcome d. help prove the hypothesis correctarrow_forwardPropose a hypothesis that this experimental design adequately testsarrow_forwardThe 'control group' is an essential component of an experiment. This is because 1. A control group allows one to determine if a particular result is due to the experimental variable. 2. No, it's not essential in experimentation. A control group is not always necessary it depends on the experiment. 3. A control group allows for multiple variables to be tested at the same time. 4. A control group is required for the development of a prediction.arrow_forward
- A valid hypothesis… (Mark any that apply.) A. should be posed as a question. B. always leads to groundbreaking results. C. can be checked by experimentation. D. is falsifiable. E. is used to decide between a small number of alternatives. choose all that applyarrow_forwardYou observe that every time your neighbor, who always wears a yellow hat, walks out his front door, he gets dive bombed by a crow. From this observation, what is a testable hypothesis? What is your prediction based on your hypothesis? Please design an experiment to test this hypothesis and prediction. You must identify the independent and dependent variables, as well as at least 2 control variables, and your experiment must contain an experimental group and a control grouparrow_forwardWhich of the following is NOT a reason why Wakefield’s study on the connection between autism and vaccinations was flawed? A. the study had a small sample size B. the study was not replicable C. the study acquired samples unethically and, quite possibly, illegally D. the study demonstrated everyone’s well being was taken care of E. the authors committed deliberate fraud to support their hypothesisarrow_forward
- Compare and contrast random and systematic experimental errors with specific examples either real or fictitious. Explain how these types of errors can be identified and reduced in an experiment.arrow_forwarda) Does the data support your hypothesis? b) How could you improve this experiment? Consider the other factors you could have / should have controlled in this experiment.arrow_forwardIf I set up a Chi square analysis and determine that I cannot reject the null hypothesis based on my data, but the null hypothesis should be rejected, what kind of error is that? a. Type II error b. Type I error c. Conservative errorarrow_forward
- Why the results of the Swan-neck flask experiment were reliable ?: Select one: a. Because it maintained no controls at all b. Because proper controls were maintained and only one variable changed at a time c. Because many controls were maintained d. Because it was repeatedly done by several scientists e. Because it tested all variables at the same timearrow_forwardAccording to this experiment, summarize it and be sure to address the following questions: What hypothesis was being tested? How did you test your hypothesis? What independent and dependent variables were being investigated? What controls did you use? What were possible sources of error in your experiment? Please explain how the experiment you conducted supported or failed to support the original hypothesis.arrow_forwardWhich are the most conventional type of experiment involves three major pairs of components?arrow_forward
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