Loose-leaf Version for What is Life? A Guide to Biology 3e & LaunchPad for Phelan's What is Life? (Six Month Access) 3e
3rd Edition
ISBN: 9781319022471
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 1, Problem 15MC
Summary Introduction
Introduction:
All phenomena in the world that we have understood through scientific means, are explained through theories.
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Which of the following is a necessary characteristic of the process of science:
a) studies are designed to prove a hypothesis of interest
b) these are ALL necessary characteristics
c) studies are exclusively manipulative, never observational
d) predictions are inductively derived from the hypothesis of interest
e) only materialistic hypotheses are considered
Match the following words with each definition. (Hypothesis, theory, fact)
A)a tentative explanation for a natural phenomenon.
B) a repeatedly observation that everyone can agree on.
C.) a widely accepted explanation for a natural phenomenon.
Which of the following are characteristics of scientific theories? (select all that are correct)
a) An guess at how the world works
b) An hypothesis that has been supported across many experiments
c) An untested idea
d) An expert's opinion
e) A testable idea about how the world works that is supported by objective data from multiple sources.
f) An hypothesis that has been supported by some research but not supported by other research.
Chapter 1 Solutions
Loose-leaf Version for What is Life? A Guide to Biology 3e & LaunchPad for Phelan's What is Life? (Six Month Access) 3e
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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
- 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.arrow_forwardWhich of the following is NOT an important step in developing a research hypothesis? Only one answer A) making a statement of the problem B) making a search of existing literature C) developing an operational definition D) analyzing the observational dataarrow_forwardThe _______ is manipulated by scientists over the course of an experiment. A.)dependent • variable B.)data C.)independent variablearrow_forward
- Which of the following statements about science and religion is false? a) Both are different “ways of knowing” about the world. b) Scientific theories must be at least theoretically falsifiable, while religious beliefs (usually) are not. c) Religious beliefs are based on faith, scientific theories must be rigorously tested. d) Religion and science are totally incompatible and cannot exist side by side.arrow_forwardBy convention, when the difference between the observed experimental outcome and the expected outcome is less than 5 percent (< 0.05), the experimental results are considered to be Group of answer choices a)less than one standard deviation from the mean. b)within the normal range. c)not significant. d)statistically significant and different from the expected outcome.arrow_forwardWhich of the following is the best definition of the term controlled variables? a) The variable is what is measured or recorded in the experiment. This is the variable in an experiment that the researcher can change and b) control A treatment level that is often used for comparison, it is usually zero or a c) natural level. d) The things in an experiment that are kept the SAME for every level of treatment. e) A statement explaining an observation.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_forwardState whether the following statements are true or false. (a). A hypothesis must be testable and fasifiable. (b). Failure to falsify a hypothesis proves that hypothesis. (C) In the context of science, a law is general and can lead to new testable hypotheses.arrow_forwardIf a researcher with an interest in medicine wanted to gain more insight into the healthcare industry and profession and conduct qualitative interviews with professionals like a doctor or nurse, as well as potentially interviewing medical students: a) Describe the content the researcher may cover in the interviews. b) What may be the researcher’s hypothesis, presumptions, or expectations? c) How does conducting these interviews enhance the researcher’s understanding of the healthcare industry?arrow_forward
- Following a scientific method, which of the following is the correct order of steps? A) Observation → Analysis → Hypothesis → Conclusion → Communicate results → Experiment B) Observation → Hypothesis → Experiment → Communicate results → Analysis → Conclusion C) Experiment → Hypothesis → Observation → Analysis → Conclusion → Communicate results D) Observation → Hypothesis → Experiment → Analysis → Conclusion → Communicate resultsarrow_forwardWhich of the following should receive the least consideration when evaluating a scientific claim? (a) the scientific credentials of the person making the claim (b) your personal beliefs and values (c) whether the study supporting the claim has been published in a peer-reviewed scientific journal (d) whether the study supporting the claim meets the standards of the scientific method (e) any possible biases of the person making the claimarrow_forwardHypertension (commonly called high blood pressure) is a growing public health problem in Uganda. Researchers want to investigate the association between alcohol consumption and hypertension among rural men in Kaabong district of Uganda. a) What is the justification and significance of conducting such a study? b) Sate a suitable general research question and objective for this study. c) Using the research question, state the dependent and independent variables (including the indicators) for your study. d) Draw a conceptual framework to explain your variables. e) Assume that the researchers will conduct a community based survey. How many participants should be included in the study in order to achieve a 95% confidence level if an error of 5% would be allowable and the estimated proportion of people with hypertension is 20%? f) Provide a COVID 19 management plan as you intend to collect data from the community. g) What kind of literature would you look out for? h) Provide a detailed…arrow_forward
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