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freedom from mistake; exactness; the relationship between the graduation on a measuring device and the actual standard for the quantity being measured
in an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor
an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group
a measure of the extent to which two factors vary together, and thus of how well either factor predicts the other
(v.) to clearly explain, show or prove with examples, models, or experiments; to gather in public to support an opinion or cause
The outcome factor; the variable that may change in response to manipulations of the independent variable.
a relationship between two factors in which the factors move in the same direction
(adj.) Having to do with morals, values, right and wrong; in accordance with standards of right conduct; requiring a prescription for purchase
consider in detail and subject to an analysis in order to discover essential features or meaning
in an experiment, the group that is exposed to the treatment, that is, to one version of the independent variable.
a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.
an inference about the future (or about some hypothetical situation) based on known facts and observations
possible explanation for a set of observations or possible answer to a scientific question
the experimental factor that is manipulated; the variable whose effect is being studied
any device that measures, records, or visibly points out; any of various substances used to point out, such as, a cause, treatment, or outcome on an action
inverse (indirect) relationship
the connection between two variables that shows the opposite effect (i.e., when the value of one variable increases, the value of the other variable decreases)
use of one or more of the senses—sight, hearing, touch, smell, and sometimes taste—to gather information
a model, guide, or plan used in making things; definite direction, tendency, or characteristics
the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)
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