Evaluation of Research Concepts

Experimental research...

• tests on variable

• tests a cause and effect relationship

• always finds facts

• are performed by psychologists only

Of the cause-effect relationship. The IV is the _________________ and the DV is the __________________.

• effect; cause

• cause; effect

Generally the _________ is manipulated by the experimenter.

• IV

• DV

• EV

• CV

An experimental group is exposed to the ________ or treatment condition.

• DV

• CV

• IV

• NV

What is the purpose of a control group?

• It provides an experimental condition

• It provide a baseline to compare to

What is the definition of a confounding variable?

• A variable that is controlled to reduce impact on the DV

• A variable that was not controlled and impacted on the DV

Psychologists found that personality traits impacted on the results of their experiment. This confounding variable is known as...

• Non-standardised procedures

• Individual participant differences

• Order effects

• Experimenter effect

An example of non-standardised instructions is...

• Experimenter bias

• Having different levels of intelligence among participants

• A computer giving instructions

• Different experimenters giving directions/explanations

If performance on a test improves by repeated trials, this is known as...

• Individual participant differences

• Placebo effects

• Participant selection

• Order effects

The experimenter effect is...

• unwanted influence from a person carrying out an experiment

• unwanted influence of experimental conditions

• wanted influence from a person carrying out an experiment

• wanted influence of experimental conditions