the degree of conformity of a measure to a standard or true value
100
dependent variable
the factor in an experiment that changes as a result of change in a change in an independent variable
100
research question
a question used to focus the purpose of a scientific investigation and the procedures to complete it
200
conclusion
a decision based on evidence and investigation
200
fair test
an experiment in which one independent variable and one dependent variable is tested by keeping all other independent variables the same
200
sample size
the number of observations or data
300
constant
something that stays the same in the experiment
300
hypothesis
an idea that can be tested by a scientific investigation
300
systematic investigation
an investigation in which all variables are identified and recorded so that the investigation can be repeated
400
control group
a set of observations made in an experiment, in which the independent variables are not changed, to be sure that the dependent variable remains the same
400
independent variable
a variable that is isolated for study in an experiment and that the experiment manipulates
400
variable
a factor that changes in an experiment
500
controlled variable
a variable that is kept the same trial from trial to trial
500
reproducible
having to get similar results from multiple traits