Parts of an Experiment

Front

An experiment is conducted to test how different cleats change an athletes running speed. Six different types of cleats are tested and the 100m run time is recorded. What is the independent variable?

Back

The type of cleat

Front

What is the dependent variable in a test measuring the foam explosion height of different soda brands when adding Mentos?

Back

Height of foam eruption

Front

A student wants to test the effects of different types of exercise on heart rate. What is the dependent variable?

Back

heart rate

Front

This variable is the actual data collected during the experiment.

Back

dependent variable

Front

This variable in an experiment is the one being deliberately changed by the scientist.

Back

independent variable

Front

These are variables that can potentially distort the relationship between the IV and the DV.

Back

confounding variables

Front

Independent variable is to dependent variable as _________ is to ____________.

Back

cause | effect.

Front

Which kind of study can establish a cause-effect relationship between variables, assuming that the research is appropriate and well conceived?

Back

experiment

Front

testable prediction

Back

hypothesis

Front

the group that receives the treatment of interest in an experiment

Back

experimental group