Exam 2: A: Research Methods in Psychology

A student is asked to participate in a study.First,the student is asked to rate how angry a person appears in a photograph.Then the student is asked to think of angry thoughts and to rate the same photograph again.What type of research design is being implemented?

What is the most likely correlation between shoe size and intelligence in human adults?

A clinical psychologist is working with the police to develop an understanding of serial killers.The psychologist decides to study a particularly brutal murderer who is serving a life sentence.What type of research is being done?

Provide examples of variables that are likely to be positively correlated,negatively correlated,and not correlated.Draw scatterplots of each example and possible correlation coefficients for each.

Should animals be used in psychological and medical research? Why would researchersanswer yes to this question?

How did Jane Goodall study patterns of behaviour among chimpanzees?

At the common core of most psychological theories is the assumption of ,the idea that all events are the result of specific causal factors.

In a between-subjects design,which participants are NOT exposed to the experimental treatment?

A psychologist believes that music affects a person's mood.Some participants listen to waltzes and others listen to military marches.Each participant's mood is measured with a paper-and-pencil test.What are the independent and dependent variables?

For which of the following data sets would the mean be the BEST measure of central tendency to use?

Dr.Rhodes has conducted a study investigating the effects of multivitamins on depression.What is the research process that Dr.Rhodes would likely have gone through?

As an assignment for an Experimental Psychology class,students have been asked to conduct a study that will yield a causal relationship between the independent and dependent variables.What type of research method must be used to complete this assignment?

When psychologists conduct research,all data and methods must eventually be open for public verifiability.In other words,the general public determines whether to accept or reject the conclusions reached by a researcher.

A researcher finds a new cancer drug to be effective,but other scientists cannot replicate the original findings.What is the best explanation for the original results?

A psychologist has collected data on the physical agility of young adults and now wishes to collect similar responses from elderly people.The psychologist is working within a limited budget.On the basis of sampling theory,which participants should the psychologist attempt to recruit?

The value of a perfect positive correlation is +1.0 and the value of a perfect negative correlation is -1.0.

Which research design uses each participant as his or her own control?

What does it mean if the results of an experiment are reliable?

If the results of a test or experiment are consistent and dependable,such that they can be repeated under similar conditions at different times,psychologists would say that the findings are valid.

In an experiment,researchers manipulate the dependent variable and measure the independent variable.