chapter 2 Flashcards
observation
the action or process of observing something or someone carefully or in order to gain information.
hypothesis
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
prediction
a thing predicted
experiment
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
variable
not consistent or having a fixed pattern; liable to change.
experimental
based on untested ideas or techniques and not yet established or finalized.
variable
not consistent or having a fixed pattern; liable to change.
experimental group
is a group that receives a treatment in an experiment
control group
the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
data
facts and statistics collected together for reference or analysis.
correlation
a mutual relationship or connection between two or more things.
statistics
the practice or science of collecting and analyzing numerical data in large quantities, especially for the purpose of inferring proportions in a whole from those in a representative sample.
mean
intend to convey, indicate, or refer to
distribution
the action of sharing something out among a number of recipients.
probability
the extent to which something is probable; the likelihood of something happening or being the case.
