Experiment vs Observation

Front

What is a Sample?

Back

A sample is a small portion of the population used to gather data from.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is an Observational Study?

Back

An observational study is a type of research where the researcher observes subjects in their natural environment without manipulation.

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7

Front

What is the difference between an Experiment and an Observational Study?

Back

An experiment involves manipulating variables to determine cause and effect, while an observational study involves observing subjects without manipulation.

Front

What is a Population in research?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

Front

What is Bias in research?

Back

Bias refers to any systematic error in an experiment that leads to incorrect conclusions.

Front

What is the purpose of using a Sample in research?

Back

The purpose of using a sample is to make inferences about the population without having to study the entire group.

Front

Why is it important to have a representative Sample?

Back

A representative sample accurately reflects the characteristics of the population, ensuring valid results.

Front

What is the significance of the control group in an Experiment?

Back

The control group serves as a baseline to compare the effects of the experimental treatment.

Front

What does it mean to 'manipulate variables' in an Experiment?

Back

Manipulating variables means changing one or more factors to observe the effect on another variable.

Front

What is a confounding variable?

Back

A confounding variable is an outside influence that can affect the results of an experiment.