It is well demonstrated that the Parent-Child Interaction Therapy (PCIT) has a statistically significant effect on reducing children's disruptive behaviors for children with disruptive behavior disorders (DBD). A research team is interested in the gender differences of the PCIT effect and wondered does boys benefit more than girls in PCIT. To answer the question, the research team recruited 12 children with DBD who have enrolled in the PCIT for 3 weeks and asked their parents how much progress they have made during the therapy. Among these 12 children with DBD, 6 of them are girls, and 6 of them are boys. a) What is the research question? b) What is/are the variable(s)? What graphs can be used to display the variable(s) visually? c) What statistical test can be used to answer the research question?
It is well demonstrated that the Parent-Child Interaction Therapy (PCIT) has a statistically significant effect on reducing children's disruptive behaviors for children with disruptive behavior disorders (DBD). A research team is interested in the gender differences of the PCIT effect and wondered does boys benefit more than girls in PCIT. To answer the question, the research team recruited 12 children with DBD who have enrolled in the PCIT for 3 weeks and asked their parents how much progress they have made during the therapy. Among these 12 children with DBD, 6 of them are girls, and 6 of them are boys.
a) What is the research question?
b) What is/are the variable(s)? What graphs can be used to display the variable(s) visually?
c) What statistical test can be used to answer the research question?
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