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Flashcards in Quiz 3 (Exam 1) Deck (10):

According to the requirements of "informed consent", research participants in a blind, placebo-controlled study will be told

that they may or may not receive an active treatment


A child is having temper tantrums at home, at school, and at his grandparents' house. After working with the parents for a while, the therapist believes that the child is being rewarded for his tantrums in each setting because his teacher, parents, and grandparents generally give him what he wants just to make him stop yelling. The therapist devises a plan to stop his tantrums but first implements the plan at home, then the following week at school, and finally at the grandparents' home several weeks later. From a research perspective, this is an example of a(n)

multiple baseline design


A new research study is published and becomes the "hot story" in the news today. This story concerns you because the researchers report that they are the first scientists to find a higher incidence of depression in individuals who are taking a particular vitamin-the same vitamin that your physician has had you taking for years. While this may be cause for you to investigate further, you probably shouldn't panic, because

without replication, the finding could just be due to coincidence


An important advantage of the multiple baseline design over the withdrawal design for evaluating treatments is that multiple baseline

does not require the removal of a potentially helpful treatment


A researcher is studying how depression tends to be experienced by people of different ages. The researcher interviews depressed adolescents, young adults, individuals, in their 30s and 50s, and those over 70. The research design being used is called



A researcher separates the participants into two groups. Group A receives an active medication, and Group B receives an empty capsule that looks and feels like the real medication. Group B is the

control group


A researcher studies the impact of stress on college students' exam scores. Whether the results of this study help us to understand the relationship between stress and work performance in real-life institutions is a question of

external validity


A researcher studying the effect of a dietary supplement on sleep finds that research participants who take the supplement sleep an average of 7 hours and 25 minutes per night, while participants who were given a placebo pill with no active ingredients in it sleep for an average of 7 hours and 20 minutes. These finding are likely

clinically insignificant


As a child's age increases, so does her height. This is a example of a(n)

positive correlation


Epidemiology is the study of

incidence, distribution, and consequences of a problem in a population