Surveys, Experiments, and Observational Studies

Front

What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information about their opinions, behaviors, or characteristics.

Tags

CCSS.RI.11-12.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.8.7

CCSS.RL.9-10.7

Front

What is an experiment?

Back

An experiment is a study in which researchers manipulate one or more variables to determine their effect on a particular outcome.

Front

What is an observational study?

Back

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

Front

What is a population in research?

Back

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample in research?

Back

A sample is a subset of the population selected for participation in a study.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is random sampling?

Back

Random sampling is a technique where each member of the population has an equal chance of being selected for the sample.

Tags

CCSS.HSS.IC.B.3

Front

What is a sample group?

Back

A sample group is the specific group of individuals selected from the population to participate in a study.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the difference between a sample and a population?

Back

A population includes all members of a defined group, while a sample is a smaller group selected from that population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the purpose of a control group in an experiment?

Back

A control group is used as a benchmark to measure how the other tested subjects do, helping to isolate the effect of the treatment.

Front

What is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types.

Tags

CCSS.6.SP.B.5B