maturation effect

maturation effect

A change in the condition of a disease or organism that occurs naturally over time and not as a result of treatment.
References in periodicals archive ?
Goodspeed, Grubert, and Swenson find that the returns of foreign-controlled companies in manufacturing increase over time, suggesting some type of start-up or maturation effect.
INTRODUCTION: Misoprostol is a prostaglandin E1 synthetic analog, with uterotonic and cervix maturation effects.
Control treatment yields increased during each of the first 7 wk in both years with a decline attributable to maturation effects in Week 8 of each year (Fig.
Forage quality of grass species declines with maturity (Nelson and Moser, 1994) usually due to maturation effects attributed to both the postheading decline in the leaf:stem ratio (Ugherughe, 1986) and decreases in quality of the stem itself.
In addition to learning just how minimally effective these programs were, we are reminded (if we ever knew them) of critical principles of evaluation design, such as selection effects, maturation effects, and regression to the mean (less a statistical notion than a behavioral one).