Abstract
The present study investigates whether hypothesized cognitive mechanisms of change mediate the efficacy of cognitive-behavioral therapy (CBT) delivered online for treating depression and anxiety disorders. Articles were included by searching MEDLINE, PsychInfo and PsychArticles databases from January 1980 to March 2011. The inclusion criteria were as follows: (a) randomized clinical trials investigating the role of CBT delivered online, (b) patient sample had clinical or subclinical intensity emotional problems, (c) at least one measure of cognitions was included, (d) the inclusion of a control group, and (e) sufficient data provided to allow calculation of effect sizes. Eleven articles were selected. Results revealed a moderate overall effect size of CBT (d =.67, P <.05) on the combined cognitive and emotional outcomes. A positive impact of online CBT on cognitive factors (d =.69, P <.05) and emotional outcomes (d =.63, P <.05) was independently demonstrated. In conclusion, cognitive-behavioral therapy delivered online can be used as an efficacious treatment for patients with emotional disorders. Assuming causal effects, the data indicate that cognitive factors are an important mechanism of change in online CBT. Future online CBT focusing on changing cognitions are likely to be efficacious.
| Original language | English |
|---|---|
| Pages (from-to) | 1-13 |
| Number of pages | 13 |
| Journal | Journal of Technology in Human Services |
| Volume | 30 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2012 |
Keywords
- clinical controlled studies
- cognition
- cognitive-behavioral interventions
- internet
- mechanisms of change
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