Biology 101 Got It? Chapter 1
A correlation between two factors does not necessarily mean that one factor __________ a change to the other factor.
causes
A statistical test calculates the likelihood that the difference between an experimental and control group is due simply to __________.
chance
Bacteria, nematodes, and mice are model systems that allow us to perform ______________ experiments on hypotheses that are difficult to test on humans.
controlled
A control in an experiment is a subject that is treated identically to the experimental subject except that the ____________ ____________ is not applied.
experimental treatment
The intent in a controlled experiment is to eliminate as many alternative ______________ as possible.
hypotheses
A(n) ___________ is a proposed explanation for how things work.
hypothesis
News stories are less likely to be written about research that provides ________ supportive results of a hypothesis test.
less
A statement that is "testable" must be able to be evaluated through _____________ of the known universe.
measurements
Scientific papers are not published in most journals until after they have undergone the process of _________ review by other scientists in the field.
peer
"Statistical significance" is not the same as "_______________ significance."
practical
Deductive reasoning relies on testing the ______________ of a hypothesis test.
predictions
Research reports describing the outcome of a hypothesis test published in scientific journals are referred to as __________ sources.
primary
A statistically significant result is one that has a low ____________ of having occurred as a result of chance.
probability
If a hypothesis returns the predicted results, the hypothesis is supported but not definitively ______________.
proven
A statement that is "falsifiable" must be able to be ___________ _________.
proven false
Experiment are performed on a small subgroup, or ___________ of the population of interest.
sample
Instead of reading primary literature, most of us receive our scientific information from _________________ ___________________.
secondary sources
The science of ____________ is used to evaluate data.
statistics
Experimental ___________ occurs when a researcher's expectation affects data collection.
bias
________________ evidence for hypotheses consist of individual's claims about "what worked for them" and is not equivalent to research published in journals.
Anecdotal