bias
anything that sways an experiment's results in a way that makes them inaccurate
chart
a visual representation of data
conclusion
a decision reached by using data and information
control variable
a factor that is kept the same or constant during an experiment
data
information gathered during an experiment or investigation
dependent variable
a factor that is changed in response to the independent variable during an experiment
diagram
a picture or illustration that shows information
double blind
an investigation in which neither the researcher nor the patients know who is receiving placebos
error
mistake in an investigation, including inaccuracy of measuring instruments and sampling
evidence
information used to show whether a conclusion is valid
graph
a visual representation of data
hypothesis
a prediction or an educated guess that answers a question
independent variable
a factor that is changed by a scientist during an experiment
model
a representation of facts or information
prediction
a guess based on facts
table
use of columns and rows to show data