Reference no: EM132388267 , Length: word count:600

Statistics Assignment -

You have to answer these questions. Answers should be brief and direct, no beating around the bush.

Q1. Referring to the paper, "A cost-effectiveness study of the housing first model of permanent supportive housing", what is the research design and both the strengths and weaknesses associated with it?

Q2. The population of interest for a study of young adults with severe emotional disturbance was defined as all youth ages 16 to 22 with an identified severe emotional disorder (SED) residing in the U.S. in 2010. The population accessible for this study consisted of all persons who were clients of Cornerstone Human Services in Detroit, Michigan between the dates of April 1, 2010 and June 30, 2012. The sampling frame was obtained from records of the agency. Because of the large number of clients who met the criteria, a sample of 45 youth was drawn at random for inclusion in the treatment group. Another group of 45 youth, from the remaining qualifying youth, was identified by using propensity scores to match each treatment group youth to a control group youth. Data for all measures was collected at intake and at discharge from the program. What is the research design and both the strengths and weaknesses associated with it?

Q3. Choosing where to live involves consideration of a number of factors - cost, proximity to work, performance of the school system, and infrastructure inclusive of safety. Research is designed to look at the relationship of geographical living choice to these factors. The principal investigator works from a list of recent home buyers in several geographical areas. She draws a sample randomly from each area and administers a survey exploring the factors above. What is the research design and both the strengths and weaknesses associated with it?

Q4. The population of interest for this study was all home-based child care for children at least one year old but not yet in kindergarten, having been in care for at least six months with the provider, who was currently licensed to provide child care and had been in business for a minimum of two years, in the U.S. in 2005. The population accessible for this study consisted of all providers in the state of Massachusetts meeting those criteria and belonging to one of the 55 child care networks. Of the 55 networks, 17 agreed to participate in the study. Within each participating network, providers were assigned at random to either receive training in a preschool educational approach, called LearningGames, or to receive the standard assistance available to all providers in a network. Assessments of learning were made at the end of the study. What is the research design and both the strengths and weaknesses associated with it?

Q5. In a study of the interdependence of state agencies and non-profit organizations, the population of interest in this study was 1) nonprofit organizations in the State of New York in one of the designated service areas arts. Health, developmental disabilities, human services) and 2) divisions within the state system in each of the same four service areas. An explanation of the study was sent to each sector (nonprofit and state) requesting responses from interested parties. The final sample of 80 nonprofit organizations consisted of a random selection of 20 organizations in each of the four service areas - arts, health, developmental disabilities, and human service areas - from those who indicated interest. The sample from the state was obtained by randomly selecting 20 persons from the same four service sectors from those who responded with interest. Measures of interdependence were obtained from each of the people in their respective service areas for both the non-profit and state sectors. What is the research design and both the strengths and weaknesses associated with it?

Q6. In the study referenced in Item 5 above, the following measures were used and are presented here with their reliabilities.

Please comment on each of the assessment areas in terms of their reliability.

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