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9. The name of each child in the classes was written on a separate slip of paper. All the slips were put in a bowl and mixed up thoroughly. Students were assigned to the Experimental Group and to the Control Group alternately as their names were pulled out of the bowl one at a time. One day at school, the children in the Control Group were told to go to one room and the children in the Experimental Group to another room, where they were exposed to their respective conditions. The rooms were adjacent to each other, and, when the special class was over, the two groups left their rooms at exactly the same time. Immediately afterwards, while walking back to their regular room, students from the experimental group told students from the control group about the interactive video they just saw. The mean score for children in the Control Group was 3.3 and the mean score for children in the Experimental Group was 3.4. We conclude that the 20-minute interactive video did not improve the children's self-protection skills in a potential abduction situation. A. Maturation B. Regression to the mean C. Selection D. Mortality E. Instrumentation F. Testing G. History H. Interactions I. Diffusion J. No Threat
10. The name of each child in the classes was written on a separate slip of paper. All the slips were put in a bowl and mixed up thoroughly. Students were assigned to the Experimental Group and to the Control Group alternately as their names were pulled out of the bowl one at a time. One day at school, the children in the Control Group were told to go to one room and the children in the Experimental Group to another room, where they were exposed to their respective conditions. Two days later, the Generalization Probe was conducted. The mean score for children in the Control Group was 1.2 and the mean score for children in the Experimental Group was 3.4. We conclude that the 20-minute interactive video improved the children's self-protection skills in a potential abduction situation. A. Maturation B. Regression to the mean C. Selection D. Mortality E. Instrumentation F. Testing G. History H. Interactions I. Diffusion J. No Threat
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