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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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Ronyn Ronyn
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7 years ago
To study the effects of the Ritalin on the cognitive performance of children with ADHD, Dr. Remedy used a design in which 30 children with ADHD performed several cognitive tasks after taking a sugar pill (placebo), and then performed the same set of tasks several hours later after taking Ritalin.  Results showed that fewer errors were made with the Ritalin treatment.  From these findings, Dr. Remedy cannot conclude that Ritalin facilitated the cognitive performance of his participants because he did not account for
A) practice effects.
B) random assignment.
C) biased sampling.
D) cohort effects.
Textbook 
Exploring Lifespan Development

Exploring Lifespan Development


Edition: 3rd
Author:
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RizgallRizgall
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7 years ago
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Ronyn Author
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#2
7 years ago
This forum has impressed me, thank you
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#3
7 years ago
Bye for now
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