EP BIOLOGY:SCIENCE F/LIFE...-MOD.ACCESS
6th Edition
ISBN: 9780134839530
Author: BELK
Publisher: PEARSON CO
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Chapter 1, Problem 7LTB
Summary Introduction
Introduction:
A scientific control experiment can be defined as an experiment or observation that is designed to lessen the effects of variables other than the self-governing variable. This raises the reliability of the results, usually through an evaluation between the control and other measurements.
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(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 data
A useful hypothesis typically accomplishes these two things:
Group of answer choices
it is falsifiable and clear
it clearly establishes a null hypothesis and it generates a testable prediction
it can be easily disproved and will be considered a theory if not disproved
it frames an experiment that can shed light on the observation and guides design of the experiment
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
EP BIOLOGY:SCIENCE F/LIFE...-MOD.ACCESS
Ch. 1 - Add labels to the figure that follows, which...Ch. 1 - Which of the following is an example of inductive...Ch. 1 - A scientific hypothesis is ___________. an...Ch. 1 - How is a scientific theory different from a...Ch. 1 - Prob. 5LTBCh. 1 - If I perform a hypothesis test in which I...Ch. 1 - Prob. 7LTBCh. 1 - Prob. 8LTBCh. 1 - A relationship between two factors, for instance,...Ch. 1 - A primary source of scientific results is...
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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- The 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_forwardWhat measures an experiments ability for its results to be due to the treatment that was applied? intervening validily central limiting theorem internal vailidityarrow_forwardWhen presenting a slide that shows experimental data you should explain the experiment that gave that data you should discuss the hypothesis being tested O you should discuss whether or not the results support or refute the hypothesis all of the abovearrow_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_forward___________ __________ is the precise repetition of an experiment or expansion of observed data to provide verification; the procedure by which hypotheses and theories are verified, modified, or discarded. Group of answer choices A-empirical hypothesizing B-pscientific testing C-theoretical investigating D-qualitative observing E-quantitative reasoningarrow_forwardWhich of the following actions would best enable you to demonstrate that the results of an investigation are repeatable? * Another researcher repeating the investigation and getting the same pattern in the results. Repeating the investigation, but changing the measuring procedure and still finding the same pattern in the results. Repeating the same investigation and finding the same pattern in the results. Repeating the investigation, but changing the hypothesis and still finding the same pattern in the results. Repeating the investigation and getting the same pattern in the results after three years.arrow_forward
- ______________, in a scientific experiment, must always be held constant. Question 10 options: Control variables Interdependent variables Hypotheses None of the other answers are correct. Dependent variables Independent variablesarrow_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_forwardI checked all the boxes for my answer and apparently that's incorrect?arrow_forward
- Which of the following statements is true according to Peter Singer? The use of animals in experiments is never justifiable. The use of animals in experiments is justifiable if the animals do not go endure pain. The use of animals in experiments is justifiable if only one animal in one experiment will save thousands of human lives and the animal received a benefit from the experiment. The use of animals in experiments is justifiable in any circumstance since they are lesser beings. None of the above.arrow_forwardA controlled experiment is one that proceeds slowly enough that a scientist can make careful records of the results. tests experimental and control groups in parallel. is repeated many times to make sure the results are accurate. keeps all variables constant.arrow_forwardDesign a SI modeled, detailed , yet hypothetical, biology experiment of your choice. In clear terms lay out all parameters of the experiment, including all controls and variables. Make sure that you clearly indicate where each step of the SI process applies(observation, question, hypothesis, analysis etcarrow_forward
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