Exam 4: Research Methods

Given what we know about the effects of genes and the environment, which of the following pairs of children would be expected to be most similar in terms of overall personality, psychological disorders, and intelligence?

Krank and colleagues (2005, 2006) studied the development of alcohol and drug use in British Columbia youth.To do this, they collected cross-sectional survey data from more than 1300 students in Grades 7 to 9.For the longitudinal part of the study, they then re-tested the students once a year for the next two academic years.What is this combination of longitudinal and cross-sectional methods in one study called?

In what type of study does a researcher manipulate an independent variable and observe the effects on a dependent variable?

A researcher is testing the effects of violent media images on tolerance for aggressive behaviour by showing either nonviolent or violent movie scenes to participants and then asking the participants to rate the level of aggression they perceive in children interacting on a playground.Which of the following is the independent variable?

If you study two variables using the correlation method, what can you determine?

One of the problems with longitudinal research is that it may be difficult to generalize the findings to other cohorts whose life experiences are very different from those of the study participants.What is this phenomenon known as?

There are four basic components of informed consent; competence and volunteerism are two of these.What are the other two?

According to your textbook, what is one of the most important reasons to conduct cross-cultural research in psychopathology?

What techniques have researchers used to examine the psychological effects of the stress of the September 11, 2001 terrorist attacks?

What does the incidence of a disorder refer to?

Historical case studies have provided new knowledge that has often eliminated existing societal myths.Whose research contributed to eliminating myths regarding human sexuality?

Which of the following can family, twin, and adoption studies NOT identify?

What is the purpose of random assignment?

Which of the following is an example of treatment process research?

Which of the following is an example of treatment outcome research?

Describe how genetic linkage studies are conducted and how these studies may help identify the specific locations of genes influencing a particular form of psychopathology.

"I remember being a very shy child, keeping to myself, and reading books.As an adolescent, I became more serious and quieter.As a young adult, I became more confident and outgoing." What type of research would this kind of information be used for?

While trying to discover the nature of the relationship between stress and blood pressure, a researcher asks participants to complete a difficult task.The researcher monitors the participants' blood pressure while exposing some participants to noisy distractions and other participants to a quiet environment.What type of research study is this?

Dr.Seto is considering using awithdrawal design as part of a single-case experiment, but she has one major concern about this method.What concern does Dr.Seto most likely have?

Why is randomization used to assign research participants to groups?