A doctor randomly divides patients experiencing social anxiety into three groups, each of which receives a different treatment believed to reduce social anxiety. A researcher who knows nothing about the study measures each patient's social anxiety using a standard questionnaire before and after treatment. Group 4 is the only group in which post-treatment scores were significantly lower (less social anxiety) than pre-treatment scores. a. How are confounds minimized in this design? Explain your answer. b. Can the doctor conclude that the treatment administered to Group 3 caused a reduction in social anxiety? Justify your answer.
A doctor randomly divides patients experiencing social anxiety into three groups, each of which receives a different treatment believed to reduce social anxiety. A researcher who knows nothing about the study measures each patient's social anxiety using a standard questionnaire before and after treatment. Group 4 is the only group in which post-treatment scores were significantly lower (less social anxiety) than pre-treatment scores. a. How are confounds minimized in this design? Explain your answer. b. Can the doctor conclude that the treatment administered to Group 3 caused a reduction in social anxiety? Justify your answer.
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
Section: Chapter Questions
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![A doctor randomly divides patients experiencing social anxiety into
three groups, each of which receives a different treatment believed to
reduce social anxiety. A researcher who knows nothing about the
study measures each patient's social anxiety using a standard
questionnaire before and after treatment. Group 4 is the only group in
which post-treatment scores were significantly lower (less social
anxiety) than pre-treatment scores.
a. How are confounds minimized in this design? Explain your
answer.
b. Can the doctor conclude that the treatment administered to
Group 3 caused a reduction in social anxiety? Justify your
answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6d918c8e-d904-4740-ac2f-c232f972aefe%2Fa7a036e7-46c8-445e-9ff8-79580d7bea3e%2F2vdts1_processed.png&w=3840&q=75)
Transcribed Image Text:A doctor randomly divides patients experiencing social anxiety into
three groups, each of which receives a different treatment believed to
reduce social anxiety. A researcher who knows nothing about the
study measures each patient's social anxiety using a standard
questionnaire before and after treatment. Group 4 is the only group in
which post-treatment scores were significantly lower (less social
anxiety) than pre-treatment scores.
a. How are confounds minimized in this design? Explain your
answer.
b. Can the doctor conclude that the treatment administered to
Group 3 caused a reduction in social anxiety? Justify your
answer.
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