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A researcher tests the effects of a skills enhancement program by measuring the change in social adjustment of a group of handicapped children before and after they have completed the program against a change in adjustment over the same time period for an equivalent group of children who had not participated in any therapy. The children who went through the program showed significantly greater increase in social adjustment functioning over time. The research design is
Years Ago
A phrase indicating a specific amount of time in the past relative to the current date.
Natufians
A prehistoric culture located in the Levant, around 12,000 to 9,500 BC, known for their early adoption of sedentism and plant cultivation.
Neolithic Transition
The shift from hunting and gathering societies to agriculture and settlement, marking the beginning of the Neolithic Age.
Oasis Theory
A theory about the transition to agriculture, proposing that people started farming in areas where natural resources were abundant, like oases.
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