Exam 2: Methods in Psychology

An educational psychologist seeks to determine how the duration of studying is related to standardized test scores.She realizes that IQ is a possible third variable that could cause both studying and test score.As such,she studies only students who have approximately the same IQ.What technique is the psychologist using to attempt to control for this third variable?

Jill decides to participate in research studies conducted by professors in the Psychology Department.Before a study begins,she is given what looks like a contract that describes the study,as well as the risks and benefits of participating.This represents:

Fatima wants to study how ice cream consumption in a school cafeteria is related to aggressive playground behaviour during recess.She realizes that lack of teacher supervision is a possible third variable that could cause both overconsumption and aggressiveness.She studies only children who have received identical amounts of supervision during the day.What technique is Fatima using to attempt to control for this third variable?

Unobtrusive naturalistic observation helps minimize the problem of demand characteristics.

In order to conduct a valid experiment,you must first manipulate a(n)_____ variable and then measure _____ variable.

A random sample means that every member of the population has an equal chance of being included for study.

Which statement is an example of a demand characteristic in everyday life?

Which description is the BEST example of naturalistic observation research methodology?

If researchers are interested in whether or not it is possible for a person to have a reaction time less than 0.05 seconds,and they simply measure the reaction times of volunteers who sign up for the study,what rationale would the researchers give for not using random sampling?

A correlation coefficient of 1 indicates that two variables are causally related.

Manipulation and random assignment are two key features of:

Which statement is an unfalsifiable psychological claim?

Which number represents the STRONGEST correlation coefficient (r)?

In a positively skewed distribution,the peak of the distribution corresponds to which measurement(s)?

It is unethical to coerce people into participating in research,even if the research is ultimately beneficial,because doing so violates which feature of ethical research?

Participants in psychological research are free to end their participation at any time,with no threat of retribution or punishment.This freedom is consistent with which feature of ethical research?

An operational definition is:

In order to develop your critical thinking skills,you should:

In the context of an experiment,the dependent variable is the variable that is:

Research ethics boards help ensure that data are analyzed and disseminated ethically.