Scientific Method Flashcards
Define primary data.
Data that you have measured or collected yourself.
Define secondary data.
Data or information that has been collected by someone else.
Define valid data.
Results that are affected by only a single variable.
Are reproducible.
Define reliable data.
Highly likely to be true.
A trustworthy source of information.
Reproducible data.
Define sample size.
The number of individual pieces of data collected in a survey.
Define research ethics.
The ethics of planning, conduct and reporting of research.
Define risk assessment.
Assesses the severity of a risk associated with the investigation.
Define prediction.
A statement about a future event.
A guess sometimes based on facts or evidence.
Define hypothesis.
A tentative prediction, usually based on an existing model or theory.
Define independent variable.
A variable upon which another variable depends; usually the dependant variable.
Define dependant variable.
A variable that changes as a result of changes to the independent variable.
Define controlled variable.
The variable that is controlled by the experimenter.
The variable that you keep the same.
Define mean.
The value obtained by dividing the sum of several quantities by their number.
An average.
Define median.
The middle number in a given sequence of numbers.
Define mode.
The value that occurs most frequently in a given set of data.
