IV DV - As level Psychology

A research project designed o discover the degree to which 2 variables are related to each other

• Experiment
• Correlation
• Quasi Experiment
• Illusory Correlation

What is replication?

• cloning the scientist who first did an experiment

• doing an experiment for the first time

• doing an experiment again and getting different results

• Doing an experiment again and getting the same results

Which answer provides examples of situational variables?

• independent variables, dependent variables
• time of day, noise level, temperature, location
• prior experience, motivation, intelligence, educational background
• extraneous variables, confounding variables

Independent variable is to dependent variable as _________ is to ____________.

• hypothesis | conclusion
• effect | cause
• cause | effect.
• conclusion | hypothesis

In a study of the effect of a driver training program on driving skill, a possible operationalisation of the dependent variable would be...

• driving quality
• number of accidents
• hours spent training
• amount of traffic

What is an Independent Variable (IV) in an experiment?

• The variable that the researcher measures.

• The variable that remains constant throughout the experiment.

• The variable for which quantities are manipulated by the researcher.

• The variable that changes due to the effect of the Controlled Variables.

In a study to observe the impact of different study durations on exam scores, what is an Independent Variable (IV)?

• exam scores

• type of study technique (cue cards, revision posters, testing friends etc...)

• amount of hours studying

• the subject

What does the Dependent Variable (DV) represent in an experiment?

• The variable that is manipulated by the researcher.

• The variable the researcher measures for changes due to the effect of the IV.

• The variable that is kept constant to ensure a fair test.

• The variable that has a direct effect on the IV.

In a study examining the effects of sunlight on plant growth, what does the Dependent Variable (DV) represent?

• The amount of sunlight each plant is exposed to.

• The growth of the plants measured in height due to the varying levels of sunlight exposure.

• The type of soil used for all plants to ensure a fair test.

• The type of plant used in the experiment.

When are confounding variables typically identified?

• Before the experiment

• During the experiment

• After the experiment

• Confounding variables are not identified