EBK BIOLOGY TODAY AND TOMORROW WITH PHY
5th Edition
ISBN: 9781337509572
Author: STARR
Publisher: YUZU
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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 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 variables
The '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.
Chapter 1 Solutions
EBK BIOLOGY TODAY AND TOMORROW WITH PHY
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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- 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_forwardI need typing answerarrow_forwardWhy 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_forward
- If 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_forwardWhich of the following is not mentioned by Marder (2011) as a category of experimental research? A. Developing a mathematical model of a biology process B. Measuring a value C. Measuring a relationship between variables D. Using computers for analysis E. Improving and industrial productarrow_forwardMoving to another question will save this response. Question 6 The control group in an experiment: a. is an additional replicate for statistical purposes b. makes the experiment valid c. minimizes experimental inaccuracy d. reduces the experimental errors e. allows a standard of comparison for the experimental group A Moving to another question will save this response. SONYarrow_forward
- Which of the following is not correctly linked?a. model: a representation of an object used in an experimentb. standard deviation: a form of statistical analysisc. principle: a theory that is not supported by experimental evidenced. data: the results of an experiment or observationarrow_forwardWhich of the following is used when testing a prediction?a. observationsb. inductive reasoningc. controlled experimentsd. both observations and controlled experimentsarrow_forwardA scientist is curious about the effects of diet on the gut length of spadefoot toad tadpoles. She collects tadpoles from pools and dissects them to determine the length of their gut and their diet. This study is…. Group of answer choices A. observational because she is not manipulating an independent variable B. possibly the most boring thing I have ever read C. experimental because she is doing it in the lab D. observational because she is doing it outside E. experimental because she is controlling the independent variablearrow_forward
- Is the mean concentration of samples stored at one temperature statistically different from the mean concentration of samples stored at a different temperature?What type of data do you have? (highlight your chosen answer) i. One categorical ii. Two categorical iii. One numeric iv. One numeric and one categorical v. Two numeric b.What is your experimental hypothesis? c. What is your attentive hypothesis? d. What is your null hypothesis?arrow_forwardProbability sample has the following.17 : characteristics except one a. It is not good representative sample b. It is the best c. Representative d. Generalise Oarrow_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
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