BIOLOGY:CONCEPTS+INVEST.-ACCESS >I<
4th Edition
ISBN: 9781260505498
Author: Hoefnagels
Publisher: MCG
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Chapter 1, Problem 12WIO
Design an experiment to test the following hypothesis: “Eating chocolate causes z its.” Include
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A controlled experiment
O includes at least two groups, one differing from the other by two or more
variables
includes at least two groups, one of which does not receive the experimental
treatment
is repeated many times to ensure that the results are accurate
includes one group for which the scientist controls all variables
In a controlled experiment all of the variables are kept the same in order to contsistent. there is only one variable there is change for these kind of studies and it is known as variable
Design a (hypothetical) experiment that adheres to the Scientific Method. Be sure to include all the necessary requirements at each step and give examples at all of the steps. Start with an observation, whether it's real or made up, state the null hypothesis, and design an experiment (including an experimental and control group, random sampling, sample size, and reproducibility) that will allow the student to reject or fail to reject the hypothesis, and state (hypothetical) 'actual' results and the appropriate conclusion to draw from those results.
Chapter 1 Solutions
BIOLOGY:CONCEPTS+INVEST.-ACCESS >I<
Ch. 1.1 - Does any nonliving object possess all of the...Ch. 1.1 - Prob. 2MCCh. 1.1 - The bacteria in figure 1.8 reproduce asexually,...Ch. 1.2 - What are the goals of taxonomy?Ch. 1.2 - How are domains related to kingdoms?Ch. 1.2 - List and describe the four main groups of...Ch. 1.3 - Identify the elements of the experiment summarized...Ch. 1.3 - Prob. 2MCCh. 1.3 - What is the difference between a hypothesis and a...Ch. 1.3 - Prob. 4MC
Ch. 1.3 - Compare and contrast science and technology.Ch. 1.4 - Prob. 1MCCh. 1.4 - How does this story illustrate discovery science?Ch. 1 - Which of the following is smaller than an...Ch. 1 - All of the following are characteristics of life...Ch. 1 - The concentration of salts in blood remains...Ch. 1 - Because plants extract nutrients from soil and use...Ch. 1 - Evolution through natural selection will occur...Ch. 1 - Homo sapiens is the scientific name for humans. It...Ch. 1 - In an experiment to test the effect of temperature...Ch. 1 - A scientist has just observed a new phenomenon and...Ch. 1 - Prob. 9MCQCh. 1 - Which of the following statements is false? a....Ch. 1 - Describe each of the five characteristics of life,...Ch. 1 - Imagine two related species of single-celled...Ch. 1 - Prob. 3WIOCh. 1 - Think of an analogy that will help you remember...Ch. 1 - Other than the examples given in the text name an...Ch. 1 - Draw and explain the relationship between...Ch. 1 - Prob. 7WIOCh. 1 - Prob. 8WIOCh. 1 - How are the members of the three domains similar?...Ch. 1 - List each step of the scientific method and...Ch. 1 - Give two examples of questions that you cannot...Ch. 1 - Design an experiment to test the following...Ch. 1 - Prob. 1PITCh. 1 - Prob. 2PITCh. 1 - Prob. 3PIT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- (1 question with multiple steps please answer) Identify the component characteristics of a scientific investigation Suggest alternative hypotheses that could be tested by the design Evaluate the validity of conclusions based on the given results Suggest ways to improve the experimental design Define and recognize examples of the experimental group, experimental variable, control group, control variable, independent variable, and dependent variable, and dataarrow_forwardWhich of these factors is commonly manipulated during an experiment? independent variable dependent variable controlled variable continuous variable When carrying out an experiment, a scientist will observe changes in which factor? confounding variable dependent variable controlled variable independent variable Which of these factors remains intentionally unchanged in an experiment? controlled variable continuous variable independent variable dependent variablearrow_forwardThe null hypothesis is: That the measured value is zero That the proposed model is not correct and the measured factors have no effect on the pattern That the proposed model is correct and perfectly explains the pattern That the experiment is null and voidarrow_forward
- You are designing an experiment to test the following hypothesis: Temperature affects the ability of students to think clearly, and, therefore, students in a hotter room will have lower exam scores than students in a cooler room. For your experiment, list the following Sample size Independent variable Dependent variable Control group Experimental group Standardized variables How will you ensure that you have a random sample?arrow_forwardWhich 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_forwardExplain what Avery’s experiment showed in 1944. Briefly describe the idea behind the experimental set up. Mention the step by step findings and the conclusions.arrow_forward
- 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.arrow_forwardWhat do you call a sample that goes through all the steps of an experiment but is not exposed to the experimental variable? control group dependent variable independent variable all variables/groups are exposed to the experimental variablearrow_forwardA properly designed experiment contains the following: positive and negative controls and experimental conditions. positive control and experimental conditions. positive and negative controls control and experimentalarrow_forward
- List the three types of variables that are taken into account when designing an experiment, and briefly define each in your own wrods.arrow_forwardIn 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_forwardMatch the outcomes to whether they are obtained from manipulative experiments or observational studies: 1 2 2 Inference of causality Tests for patterns and possible processes under natural conditions Tests of causes that are difficult to control 1. Manipulative experiments 2. Observational studiesarrow_forward
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