An intervention study was conducted on group of 20 under privileged children to see if environmental enrichment would improve their inteligence levels. At the age of three years, the children who where all from impoverished and overcrowded homes, began the intervention program, attending a special non residential day school in which particular emphasis was placed on the development of social and cognitive skills.The childrenattended the school for 4 days per week untill they began infant school.
What is the hypnothesis of this experiment?
What is the independent variable?
What is the dependent variable?
Some error has occured.