A psychologist observes the confrontation between two rival neighborhood gangs from the window of an abandoned building. This method of collecting observations is best described as

• experimental regression

• naturalistic observation

• Controlled experimentation

• Clinical case study

List any two ethical issues in research.

Which of the following is considered a considered a disadvantage of naturalistic observation?

• It provides an overabundance of information

• It deals with behaviour not tampered with by outside influences

• It limits biased observations through careful record keeping

• It does not identify the cause of observed behaviour

The group that in an experiment does not receive any treatment is know as?

• Experimental group

• Verbal groups

• Confederates

• Control group

An experiment is performed to test the effects of sleep deprivation on rote memory. In this experiment the dependent variable is the?

• Number of hours subjects go without sleep

• Rote memory scores

• Number of subjects deprived of sleep in the experimental groups

• Correlation between hours of sleep and fatigue.

A friend tells you anxiety about speaking in public and performance are negatively correlated.

• True

• False

Students who do better on high school tend to do better in college. This is an example of-

• Positive

• Negative

• Zero

• All of the above

One of the limitations of the survey method is

• Observer bias

• That it sets up an artificial situation

• That replies may not be accurate

• The self fulfilling prophecy

In a study of effects of alcohol on driving ability, the control group should be given

• A high dosage of alcohol

• One half the dosage given the experimental group

• A driving test before and after drinking alcohol

• No alcohol at all

We wish to test the hypothesis that music improves learning. We compare test scores of students who study to music with those who study silence. Which of the following is an extraneous variable in this experiment?

• The presence or absence of music

• The students test scores

• The amount of time allowed for studying

• Silence