Unit 1B Vocabulary Quiz_AICE

The only type of research method that looks for causation.

• Experiment

• Correlation

• Independent Measures

• Repeated Measures

The thing that is manipulated in and experiment -- it can have more than one level

• dependent variable

• independent variable

• extraneous variable

• uncontrolled variable

In this type of experimental design, each participant participates in each level of the IV

• Matched-pairs

• Independent Measures

• Dependent Measures

• Counter-balanced

When participants in an experiment (particularly a repeated measures design) start to think they figure out what the experimenter wants and then change their behavior to fit

• Fatigue Effect

• Practice Effect

• Demand Characteristics

• Participant variables

In this type of design, participants participate in every level of the IV; order effects can be a problem

• Matched pairs

• Independent measures

• Repeated measures

• Counterbalanced

The best way to overcome order effects in a repeated measures design

• Counterbalancing

• Demand Characteristics

• Random selection

• Controlling for extraneous variables

if we claim something is scientifically true, we must be able to specify what evidence it would take to prove it wrong

• Counterbalancing

• Demand Characteristics

• Falsifiability

• Aim

the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

• One-tailed

• Two-tailed

• Null

• Alternate

If a hypothesis predicts that students who consume caffeine prior to a test will score higher on the test. What kind of hypothesis is it?

• Null

• Directional

• Non-Direction

• Abstract

If a hypothesis predicts that caffeine will have an effect on student performance, what type of hypothesis is it?

• Directional

• one-tailed

• two-tailed

• null