IGCSE Research Methods review

What is a sample in research?

• the whole target population

• a piece of food you get to try

• an educated guess

• only part of the target population

What is a target population?

• the whole group you want to study or describe

• a section of the group you want to study or describe

• the population inside the classroom

• A specific group of people that choose to participate in an experiment

The __________ is the one manipulated by the researcher.

• DV

• Confounding Variable

• Controls

• IV

The ___________is expected to change as the IV changes.

• IV

• DV

• Controls

• Samples

How can you "operationalize" verbal aggression?

• Yelling at someone

• Kicking someone

• The number of insulting comments per hour.

• Giving someone the silent treatment.

A ___________ is the group of individuals taking part in the research study.

• Population

• Sample

• Variable

• Control

__________ refers to the extent to which the results of the study can be applied beyond the sample and the settings used in the study.

• Generalizability

• Population

• Sample

• Credibility

_________________________ is the group of people to which the findings of the study are expected to be generalized.

• Sample

• Random sampling

• Target population

• Matching variables

In __________ __________ every member of the target population has an equal chance of becoming part of the sample.

• Stratified sampling

• Random sampling

• Opportunity sampling

• Self-selected sampling

In_____________ _______________you recruit participants that are more easily available.

• Self-selected sampling

• Opportunity sampling

• Random sampling

• Stratified sampling