Exam 2: D: Research Methods

__________ represents a procedure that ensures every person in a population has an equal chance of being chosen to participate.

Sahar attended a workshop on how crystals have healing power,can eliminate "blood sludge," and cure mental illness.The workshop facilitator presented clinical observations of several patients to demonstrate the effectiveness of crystals.What should Sahar keep in mind as she evaluates the information she learned in this workshop?

As the average daily temperature in Brandon,Manitoba,decreases,the number of persons who are observed wearing sweaters in the workplace increases.This is an example of a __________ correlation.

Which of the following examples is particularly vulnerable to both the halo and horns effects?

In order to avoid the __________,experiments should be conducted in a double-blind fashion.

A researcher is interested in determining how frequently bullying behaviour occurs in real-life settings.This researcher would best be advised to use the

The application of mathematics to describing and analyzing data is called

What is the surgical procedure that severs fibres connecting the frontal lobes of the brain from the underlying thalamus?

Shoe size is __________ associated or correlated with psychology exam scores.

A new student,Carlina,has just switched to your university and joined your class partway through.She is very attractive and seems very nice.When discussing with a friend whether to invite Carlina into your group for a project,you state that she should be allowed because she is likely intelligent and productive,even though you have no basis for knowing this is true.You have likely fallen victim to

A professor wants to determine whether her students perform better on mid-term examinations if they write their exam alone or in a group.To experimentally investigate this possibility,she randomly assigns half of her students to write their mid-term in the regular class setting (as a group)and randomly assigns the other half of her students to write their mid-term individually in private cubicles in the university's testing centre.Which of the following is a potential confound for this study?

Dr.Loggins conducts a study examining the relationship between shoe size and scores on a math aptitude test in a sample of 15,000 young adults.He finds a significant negative correlation (r = -.06)between these two variables.What should he conclude from his data?

A researcher wishes to generalize his findings beyond the people at the organization he is studying in Alberta.He wants to attempt to show that the findings apply to all people who work in a similar type of organization throughout Canada.He should use __________ to analyze his data.

One researcher defines aggressive behaviour in kids as instances of punching and kicking.Another researcher defines aggressive behaviour in kids as any instance of hitting,kicking,biting,pushing,yelling,screaming,name-calling,scratching,etc.Both researchers conduct observational studies of kids on the playground at recess.These two researchers may find different results in their studies mainly due to

The term statistical significance implies that the results are

The results from J.B.Rhine's studies using Zener cards at Duke University in the 1930s were challenged because subjects could

The most important characteristic for a psychological measure to have is

Jaime knows that the correlation between prolonged alcohol abuse and liver damage is very strong but argues that this relationship is unlikely to apply to him because both his grandparents and parents drank heavily throughout their lives and never suffered from any liver problems.What is the problem with Jaime's reasoning?

Correlations allow researchers to make __________ about the world,whereas observational and case studies allow us to __________ phenomenon.

For many years,newspapers often mentioned the race of criminal suspects who were not white in articles detailing crimes.This often led people who were not obviously biased or prejudiced to conclude that more non-whites committed crimes than whites.This is one example of