Whether used alone or in combination with other approaches, strategies such as cognitive restructuring (CR) and exposure are well-established treatments for anxiety. CR involves identifying and challenging thoughts, beliefs, or assumptions that maintain anxiety, and exposure involves confronting feared situations, typically in a gradual manner. Many theories have been proposed to explain why exposure is effective. One theory posits that corrective learning occurs only when expectations about the outcome of a situation are violated. Therefore, exposure is thought to be effective when the discrepancy between the expected and actual outcome is maximized. One group of researches has suggested that engaging in CR prior to exposure will prematurely reduce the discrepancy between expectancy and outcome, resulting in less inhibitory learning. As such, they recommend that CR only be conducted after exposure in order to consolidate learning about expectancy violation. This recommendation has not been experimentally studied and is in contrast to what is typically practiced clinically. CR is often introduced in therapy prior to exposure. The present study will determine whether conducting CR before exposure results in (1) greater initial reductions in expectation following CR before exposure, (2) less expectancy violation, and (3) poorer treatment gains at posttreatment and 1-month followup. Eighty-two participants with claustrophobia will be randomly assigned to receive either CR before exposure or CR after exposure. The intervention will be conducted in a single session.
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Change from pretreatment (i.e., baseline) Behavioral Approach Test (BAT): Behavioral Approach at posttreatment and 1-month follow-up
Timeframe: Administered before the intervention on day 1 (pretreatment), immediately after the intervention on day 1 (posttreatment, same day as pretreatment) and at 1-month follow-up.
Change from pretreatment (i.e., baseline) Behavioral Approach Test (BAT): Peak Fear at posttreatment and 1-month follow-up
Timeframe: Administered before the intervention on day 1 (pretreatment), immediately after the intervention on day 1 (posttreatment, same day as pretreatment) and at 1-month follow-up.
Change from pretreatment (i.e., baseline) self-reported claustrophobic anxiety as measured by Claustrophobia Questionnaire: Total score at posttreatment and 1-month follow-up
Timeframe: Administered before the intervention on day 1 (pretreatment), immediately after the intervention on day 1 (posttreatment, same day as pretreatment) and at 1-month follow-up.