EBK BIOLOGY
5th Edition
ISBN: 8220101337627
Author: Maier
Publisher: PEARSON
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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
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 void
Chapter 1 Solutions
EBK BIOLOGY
Ch. 1 - Prob. 1LTBCh. 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...
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- What measures an experiments ability for its results to be due to the treatment that was applied? intervening validily central limiting theorem internal vailidityarrow_forwardThe variable is a part of the experiment that varies or changes. True Falsearrow_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
- an independent variable is the variable measured in an experiment. True or Falsearrow_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_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_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_forward____________ are often used to exemplify the relations that exist within a scientific experiment between the dependent and independent variables. Question 1 options: Ternary diagrams Rose diagrams None of the other answers are correct. Bar graphs Scatter plot graphs Line graphsarrow_forward
- answer is incorrectarrow_forwardWhat are three important thing you will consider when settting up an experiment to investigate a phenomenon? Explain why?arrow_forwardAll of the following are possible steps of scientific investigation except for ____________. Question 7 options: None of the other answers are possible steps of scientific investigation. All of the other answers are possible steps of scientific investigation. development of observations and experiments to test the hypotheses the development of one or more working hypotheses or models to explain facts the collection of scientific facts through observation and measurement assumption of conclusions without prior experimentation or observationarrow_forward
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