Research methods

2. The variables relate to one another but one doesn’t cause the outcome of the other.
4. Also known as the "third variable problem", Factors that undermine the ability to draw causal inferences from an experiment.
6. Studies in which the conditions are controlled and manipulated by the experimenter.
8. ________design studies: Aims to establish a cause and effect between two variables.
9. ______random sample: A type of sample where each individual has the same chance of being selected as others.
10. Key features of ____________: doesn't follow scientific method, confirms a hypothesis.
11. Part of the population that we take out to examine and draw conclusions from.
12. The variable that is being measured in an experiment.

1. When one variable causes the other variable’s outcome.
3. Key features of _________: develop hypothesis make observations, disconfirms a hypothesis.
4. Studies where scientists identify patterns of relationships but can’t make conclusions from them.
5. The variable that is manipulated in an experiment.
7. _______random sample: A type of sample where you take the population and divide it into strata (grouping people with similar characteristics).
10. The group of things that we want information about.