Intervention research in pediatric psychology assumes special importan
ce given continuing pressures to develop and document the efficacy of
interventions for pediatric populations. Studies presented in this iss
ue illustrate the need for flexible approaches to intervention researc
h including case studies and randomized trials, comprehensive assessme
nt of health and psychological outcomes, assessment of social validity
, identification of moderators of intervention effects, innovative tre
atment applications and strategies to integrate research and practice,
Recommendations to enhance the scientific basis and clinical relevanc
e of intervention research include using case series to document promi
sing methods, collecting data in practice settings, assessing costs ve
rsus benefits, defining and assessing quality of psychological interve
ntions, and conducting randomized clinical trials.