Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN: 9781305117396
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 12SQ
A control group is ______.
- a. a set of individuals that have a characteristic under study or receive an experimental treatment
- b. the standard against which an experimental group is compared
- c. the experiment that gives conclusive results
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A control group is_______ . a. a set of individuals that have a certain characteristic or receive a certain treatment b. the standard against which an experimental group is compared c. the experiment that gives conclusive results
a) 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.
Ideally, an experimental group differs from a control group (a) only with respect to the hypothesis being tested (b) because its subjects are more reliable (c) in that it is less subject to bias (d) in that it is less vulnerable to sampling error (e) only with respect to the variable being studied
Chapter 1 Solutions
Biology Today and Tomorrow without Physiology (MindTap Course List)
Ch. 1 - Figure 1.7 Taxonomic classification of five...Ch. 1 - D. The researchers painted out the spots of some...Ch. 1 - Figure 1.15 Example of error bars in a graph. This...Ch. 1 - Prob. 1DIDCh. 1 - Prob. 1SQCh. 1 - Prob. 2SQCh. 1 - ______ is the transmission of DNA to offspring. a....Ch. 1 - A process by which an organism produces offspring...Ch. 1 - Prob. 5SQCh. 1 - ____________ move around for at least part of...
Ch. 1 - Prob. 7SQCh. 1 - DNA _______. a. guides form b. is the basis of...Ch. 1 - butterfly is a(n) _____ (choose all that apply)....Ch. 1 - A bacterium is _____ (choose all that apply). a....Ch. 1 - Bacteria, Archaea, and Eukarya are three _____.Ch. 1 - A control group is ______. a. a set of individuals...Ch. 1 - Prob. 13SQCh. 1 - Match the terms with the most suitable...Ch. 1 - In one survey, fifteen randomly selected students...Ch. 1 - A person is declared to be dead upon the...Ch. 1 - Prob. 2CTCh. 1 - Why would you think twice about ordering from a...Ch. 1 - Once there was a highly intelligent turkey that...Ch. 1 - In 2005, researcher Woo-suk Hwang reported that he...
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- 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_forwardThe 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_forwardWhy is it important to always use a large sample size in an experiment? A. To make sure that spontaneous generation is taking place B. To make sure that there are not two variables being tested C. Make sure the data is qualitative D. To compensate for errors and get more accurate dataarrow_forward
- In an experiment, the control group is used to: a Change the variable b Provide a baseline for comparison with the test group c add additional non-dependent variables d demonstrate correlation rather than causation e generate hypothesesarrow_forwardA controlled experiment ________. A. includes one group for which the scientist controls all variables B. is repeated many times to ensure that the results are accurate C. includes at least two groups, one of which does not receive the experimental treatment D. includes at least two groups, one differing from the other by two or more variablesarrow_forwardWhen there is a lot of evidence to support and not sound evidence to disprove an explanation for a phenomenon in science, the idea is elevated to A. explanation B. experimentation C. theoryarrow_forward
- “Correlation does not prove causation” means that (a) if two variables are correlated, one is likely to have caused the other. (b) if changes in one variable cause changes in another, the variables are not correlated. (c) only experimental research can answer questions about the natural world. (d) although two variables are interrelated, changes in one do not necessarily cause changes in the other. (e) none of the abovearrow_forwardRead the research article added here and answer the question: 1. Looking at the relationship between conception risk status and shirt color, what type of study is it (correlational, quasi-experimental, experimental)? Group of answer choices A. Quasi-experimental and experimental B. Quasi-experimental C. Correlational D. Experimentalarrow_forwardJames says he has a hypothesis about the way he kicks a football. He says he is a better kicker with his right foot because he is right-handed. a. Why is this hypothesis untestable ? b. How could you make his hypothesis into a testable one?arrow_forward
- A controlled experiment is one that(A) proceeds slowly enough that a scientist can make carefulrecords of the results.(B) tests experimental and control groups in parallel.(C) is repeated many times to make sure the results are accurate.(D) keeps all variables constant.arrow_forwardA hypothesis cannot be formed without which of the following? a. experimentation b. observation c. datad. theoryarrow_forwardIn an observational study Researchers manipulate conditions to test hypotheses b Researchers gather data in a real world setting without manipulating conditions c Researchers control for unintended effects of the test group manipulation by using a sham control d researchers test whether their data fit predictions generated by a hypothesis e B and Darrow_forward
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