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