Chat with AIExam 4: Research Methods in the Study of Psychopathology
What is the value of double-blind procedures? What are the limits to this procedure in psychopathology research that does not involve medication?
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Answered by Examlex AI CopilotDouble-blind procedures are valuable in research because they help to minimize bias and placebo effects. In a double-blind study, neither the participants nor the researchers know who is receiving the treatment and who is receiving the placebo, which helps to ensure that the results are not influenced by expectations or preconceived notions.
However, there are limits to the use of double-blind procedures in psychopathology research that does not involve medication. For example, in studies involving psychotherapy or behavioral interventions, it is often not possible to blind the participants or the therapists to the treatment condition. This can introduce bias and make it difficult to determine the true effectiveness of the intervention. Additionally, in some cases, it may be ethically or practically challenging to use a double-blind procedure, such as when studying the effects of certain environmental or social factors on psychopathology.
Overall, while double-blind procedures are a valuable tool in research, they may not always be feasible or appropriate in psychopathology research that does not involve medication. Researchers must carefully consider the limitations of this procedure and use alternative methods to minimize bias and ensure the validity of their findings.
Dr.Wilhelm randomly assigned 50 depressed patients (half women and half men)to two groups for treatment.One group received medication and the other received cognitive therapy.Ratings of the depression level of the subjects were taken before and after treatment.The rating of subjects' depression level is the
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Professor Fulford believes that when people try to block certain thoughts,the thoughts are more intrusive.He randomly assigns participants to two groups: one that must try to prevent thoughts,and one that can think of anything they wish.What is the independent variable in this experiment?
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Concordance for disorders should be greater for ______________ than ______________ if there is a genetic predisposition for the condition.
(82) "The lifetime prevalence rate of panic disorder is 3.5%." This statement indicates that
(78) Several studies have found a correlation between schizophrenia and family conflict.Which of the following explanations illustrates the directionality problem?
(76) In a study where participants are assigned to one of two treatment groups (medication versus cognitive therapy),the type of treatment received is the
(75) Farrah is working on a study that selected a group of teenage girls diagnosed with an eating disorder and plans to measure risk variables in this sample repeatedly for the next 25 years.Farrah is most likely working on a study with a
(75) "About 2% of adults have obsessive-compulsive disorder." This is a statement about the __________ of schizophrenia.
(99) When an experimenter can confidently state that the findings from an experiment are due to the independent variable and not due to other,uncontrolled factors,the research is considered
(81) Mary,who has trichotillomania (chronic hair pulling),is enrolled in a single-subject study using an ABAB design to see if she pulls more hair while watching TV.Mary watched TV during dinner for four weeks and pulled at least ten hairs a day for the four weeks.Then she left the TV off for four weeks and pulled only one hair per day for the four weeks.In the next step of this design,the experimenter should have Mary
(70) Which of the following research methods are best used for only hypothesis generating?
(78) Professor Merrick wishes to study the percentage of men from various social classes who drop out of school.Which of the following methods would be most useful?
(79) In a study of 100 people with panic disorder,50 were treated with psychotherapy and 50 were treated with medication.At the end of 12 weeks of treatment,the psychotherapy group had an average score of 25 on a scale of panic severity,while the medication group had an average score of 75.This difference is called the
(81) An investigator finds that the concordance rate for bipolar disorder is higher among monozygotic twins than among dizygotic twins.Which would be an INCORRECT conclusion on the basis of this finding?
(77) The more intelligent a person is the higher grades he or she receives in school.Most likely,this finding comes from which type of research?
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