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17 terms

Chapter 1

STUDY
PLAY
Informational observation that has not been systematically tested
Anecdotal Evidence
Process in which independent scientific experts read scientific studies before their publication to ensure that the authors have appropriately designed and interpreted their studies
Peer review
A testable and falsifiable explanation for a scientific observation or question
Scientific hypothesis
When is a scientific hypothesis testable?
If it can be supported or rejected by carefully designed experiments or non experimental studies
When is a scientific hypothesis falsifiable?
If it can be ruled out by data to show that the hypothesis does not explain the observation
Why is special creation not a scientific hypothesis?
There is no way of testing it.
SCIENCE DOES NOT PROVE ANYTHING!
If data supports a hypothesis it will be accepted until further testing and data prove otherwise. It never proves anything.
A carefully designed test, the results of which will either support or rule out a hypothesis
Experiment
What type of experiments use experiment groups and control groups to test a hypothesis?
Controlled experiments
Variable or factor being deliberately changed in an experiment
Independent variable
Measured result of an experiment.
Dependent variable
Number of experimental subjects or the number of times an experiment is repeated.
Sample size
Measure of confidence that the results obtained are "real"
Statistical significance
When is statistical significance more likely?
When the sample size is larger
A hypothesis that continues to hold up after many years of rigorous testing
Scientific theory
Study of patterns or disease in populations, including risk factors
Epidemiology
Consistent relationship between variables
Correlation