Table 1.
Effect sizes for dissonance interventions compared with control interventions
| Study | Comparison |
Thin-ideal Internalization |
Body Dissatisfaction |
Dieting | Negative Affect |
Eating Pathology |
Length of Follow-up |
|---|---|---|---|---|---|---|---|
| Becker, Jilka et al, 2002 | DBI vs. Media advocacy |
.48* (.46*) | .47*(.40*) | .22 (.10) | -- | .35 (.24) | 1-mo. |
| Becker, Smith, & Ciao, 2005 | DBI vs. Media advocacy |
.09 (.06) | .11 (.00) | .11 (.03) | -- | .19* (.09) | 1-mo. |
| Becker, Smith, & Ciao, 2005 | DBI vs. Waitlist |
.19 (.22*) | .32*(.36*) | .18 (.26*) | -- | .33*(.41*) | 1-mo. |
| Becker, Smith, & Ciao, 2006 | DBI vs. Media advocacy |
.26* (.24*) | .09 (.20*) | .14 (.26*) | -- | .00 (.00) | 8-mo. |
| Matusek et al.,2004 | DBI vs. Healthy weight |
−.06 | .07 | -- | .07 | −.12 | 1-mo. |
| Matusek et al.,2004 | DBI vs. Waitlist |
.42* | .16 | -- | .00 | .30* | 1-mo. |
| Mitchell et al., 2007 | DBI vs. Assess. only |
.00 | .28* | .00 | .22 | .17* | Pre- post |
| Mitchell et al., 2007 | DBI vs. Yoga | .11 | .20* | .08 | .06 | .23* | Pre- post |
| Stice, Mazotti, et al., 2000 | DBI vs. Waitlist |
.40*(.43*) | .46*(.42*) | .36(.27) | .42*(.32) | .37*(.37*) | 1-mo. |
| Stice, Chase et al, 2001 | DBI vs. Healthy weight |
.30* (.40*) | .22 (.03) | .15 (.08) | .08 (.01) | .03 (.06) | 1-mo. |
| Stice, Trost, et al., 2003 | DBI vs. Healthy weight |
.24* (.07) | .23* (.11) | .17 (.06) | .27* (.20*) | .23* (.06) | 6-mo. |
| Stice, Trost, et al., 2003 | DBI vs. Waitlist |
.24 (.15) | .23(.13) | .17 (.09) | .27*(.26*) | .23*(.21*) | 6-mo. |
| Stice, Shaw, et al., 2006 | DBI vs. Healthy weight |
.16*(.06) | .18* (.03) | .26* (.06) | .13* (.11*) | .11* (.04) | 1-yr. |
| Stice, Shaw, et al., 2006 | DBI vs. Expressive writing |
.31*(.04) | .37* (.10) | .26*(.12*) | .26* (.08) | .23* (.09) | 1-yr. |
| Stice, Shaw, et al., 2006 | DBI vs. Assess, only |
.38* (.13*) | .35* (.08) | .27*(.17*) | .24* (.08) | .17*(.20*) | 1-yr. |
| Stice, Rohde et al, 2007 | DBI vs. Psychoed. brochure |
.25* (.09) | .23* (.08) | .25* (11) | .18* (.11) | .27*(.15*) | 3-yr. |
Effect sizes (r) at posttest are reported first and effect sizes for follow-up are reported in parentheses when available
*
= significant effect.