review observational &experimental survey

Front

What is an observational study?

Back

An observational study is a type of research where the researcher observes and records behavior or outcomes without manipulating any variables.

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 an experimental study?

Back

An experimental study is a type of research where the researcher manipulates one or more variables to determine their effect on a dependent variable.

Front

Define 'population' in research.

Back

A population consists of all subjects (human or otherwise) that are being studied.

Front

What is a sample in research?

Back

A sample is a subset of the population selected for observation and analysis.

Front

How do you determine if a study is observational or experimental?

Back

If the researcher manipulates variables, it is experimental; if they only observe without manipulation, it is observational.

Front

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

Back

A control group is used as a baseline to compare the effects of the experimental treatment.

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 the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is a survey in research?

Back

A survey is a method of collecting data by asking questions to a group of people.

Front

What is bias in research?

Back

Bias refers to any systematic error in the design, conduct, or analysis of a study that leads to incorrect conclusions.