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Contents of It's not All in Your Head by Asmundson and Taylor

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literature; therefore, we had reason to believe they received helpful treatment for their<br />

symptoms. The purpose <strong>of</strong> this particular experiment was to compare a self-help<br />

treatment for health anxiety <strong>and</strong> a wait-list control condition. The SHB treatment was<br />

expected to be helpful. WLC participants were <strong>in</strong>formed that they were placed on a wait-<br />

list group <strong>in</strong> order to compare the treatment with a no-treatment control condition. They<br />

were given the option to beg<strong>in</strong> the SHB treatment as soon as possible. <strong>All</strong> participants<br />

were given the opportunity to discuss the treatment, ask questions, <strong>and</strong> request<br />

<strong>in</strong>formation about the results <strong>of</strong> the study once it is completed.<br />

2.4.6. Data analysis<br />

Research data was downloaded from SurveyMonkey.com <strong>and</strong> AmIHealthy.com<br />

<strong>and</strong> then entered <strong>in</strong>to SPSS Release 16.0. ITT analysis was carried out for all participants<br />

who were r<strong>and</strong>omly assigned <strong>and</strong> rema<strong>in</strong>ed <strong>in</strong> the study until T2. This <strong>in</strong>cluded data from<br />

4 participants who dropped out <strong>of</strong> the SHB group. Their data was <strong>in</strong>cluded <strong>by</strong> employ<strong>in</strong>g<br />

the last observation carried forward procedure (LOCF) where<strong>by</strong> the T2 scores <strong>of</strong> those<br />

participants were substituted for their T3 scores (Hollis & Campbell, 1999). This<br />

precluded any comparisons between T2 <strong>and</strong> T3 scores. Chi-square (χ 2 ) analyses were<br />

conducted to identify group differences based on demographics. The sample size for the<br />

study was small; therefore, t tests were used to analyze the data. Paired samples t tests<br />

were used to identify significant changes <strong>in</strong> participant scores pre- <strong>and</strong> post-treatment.<br />

48

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