Article Overview: I read an article on NCBI recently that discussed the efficacy of cognitive remediation therapy (CRT) in improving the cognitive functioning, social functioning, and insight for individuals diagnosed with chronic schizophrenia (Lu, Li, Jiao, Li, Shi, Guo, & Liu, 2012). The study design used to assess the efficacy of CRT was a randomized control trial. Participates for this experiment were patients who were hospitalized from March to December of 2010 at the Third People’s Hospital of Lanzhou Municipality. According to Lu et al. (2012), individuals that met the following criteria were screened to participate in this experiment: diagnosed with chronic schizophrenia with a duration of illness >5years, clinically stable at
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Study Protocol: Lu et al. (2012) conducted a randomized control trial on 126 patients diagnosed with schizophrenia. The participants were randomly allocated to either the CRT group or the treatment as usual group (TAU). Inferential statistics was used to determine the effects of CRT on a population.
Data Collection: This experiment was conducted over a 3 month period. The individuals in both the CRT and TAU groups received treatment five days per week. The dependent variable were the results experienced by patients due to the different therapies. The independent variable was the different therapy methods. I believe that a cofounding variable exist due to the fact that different therapist were used for the CRT group and the TAU group. This can adversely affect the relation between the independent variable and the dependent variable
Data …show more content…
Before and after results were compared using a paired t-test, and an independent t-test was used to compare baseline scores. An F-test was also used to compare differences in the magnitude of the changes between the CRT and the TAU groups. We can conclude that there is no statistically significance of improvement in individuals that were involved in the CRT compared to the TAU (p=0.074). Therefore, they have failed to reject the null
Study Protocol: Lu et al. (2012) conducted a randomized control trial on 126 patients diagnosed with schizophrenia. The participants were randomly allocated to either the CRT group or the treatment as usual group (TAU). Inferential statistics was used to determine the effects of CRT on a population.
Data Collection: This experiment was conducted over a 3 month period. The individuals in both the CRT and TAU groups received treatment five days per week. The dependent variable were the results experienced by patients due to the different therapies. The independent variable was the different therapy methods. I believe that a cofounding variable exist due to the fact that different therapist were used for the CRT group and the TAU group. This can adversely affect the relation between the independent variable and the dependent variable
Data …show more content…
Before and after results were compared using a paired t-test, and an independent t-test was used to compare baseline scores. An F-test was also used to compare differences in the magnitude of the changes between the CRT and the TAU groups. We can conclude that there is no statistically significance of improvement in individuals that were involved in the CRT compared to the TAU (p=0.074). Therefore, they have failed to reject the null