A Systematic Literature Search on Psychological First Aid: Lack of Evidence to Develop Guidelines | Evidence Aid |

…there is a complete lack of experimental and observational studies on the effectiveness of PFA in the immediate aftermath of a disaster. Currently it is impossible to make evidence-based guidelines about which practices in psychosocial support are most effective to help disaster and trauma victims…

Source: A Systematic Literature Search on Psychological First Aid: Lack of Evidence to Develop Guidelines | Evidence Aid | Inspiring and enabling those guiding the humanitarian sector to apply an evidence-based approach.