Problem Area: Psychological Treatments

EST Status: Research Support Strong: Support from two well-designed studies conducted by independent investigators.

Modest: Support from one well-designed study or several adequately designed studies.

Controversial: Conflicting results, or claims regarding mechanisms are unsupported.

2015 EST Status: Research Support (see report) Very strong: High-quality evidence that treatment improves symptoms and functional outcomes at post-treatment and follow-up; little risk of harm; requires reasonable amount of resources; effective in non-research settings

Strong: Moderate- to high-quality evidence that treatment improves symptoms OR functional outcomes; not a high risk of harm; reasonable use of resources

Weak: Low or very low-quality evidence that treatment produces clinically meaningful effects on symptoms or functional outcomes; Gains from the treatment may not warrant resources involved

Insufficient Evidence: No meta-analytic study could be identified

Insufficient Evidence: Existing meta-analyses are not of sufficient quality

Treatment pending re-evaluation

1998 EST Status: Research Support Strong: Support from two well-designed studies conducted by independent investigators.

Modest: Support from one well-designed study or several adequately designed studies.

Controversial: Conflicting results, or claims regarding mechanisms are unsupported.