# Review of Research Literature

Provide a 9 pages analysis while answering the following question: Review of Research Literature. Prepare this assignment according to the guidelines found in the APA Style Guide. An abstract is required. b. What inferential test was done to test changes over time of caregiver characteristics (Table A4-2)? Is this test parametric or non-parametric? Does Physical Function change over time at a statistically significant level (compare the p-value to the alpha level)?

Inferential statistics allow researchers to generalize findings from sample size to that of an entire population with a certain amount of confidence regarding the research findings. To estimate the stress associated with caregiving Burden Index, a 22-item measure, has been completed by caregivers. Burden index is designed to assess feelings of anger, frustration, and stress as well as the burden of being a caregiver. This is a parametric test because ‘t-tests’ were used to compare variables. The data analysis showed that social function (SF) subscale (SF-36) increased significantly between the first and second years of caregiving and the probability error value (p-value) is given as p&lt.0.1.

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c.What inferential test was done to test predictors of Health-Related QOL: MCS and Health-Related QOL: PCS (Table A4-3)? What three predictor variables are in the model for HRQL: MCS at the first interview? Which one has the largest sB? What is the R2 value for the model at the first interview? What does this mean?

Health-related quality of life (HRQL) was measured using the medical outcome study, a generic scale 36-item short-form health survey. The mental component summary (MCS) and Physical component summary (PCS) are standardized to have a mean of 50 and a standard deviation of 10. In the study of White et al internal consistency of the subscale ranged between 0.78 and 0.94.

The overall quality of living (QoL) was measured using a 0-10 numerical rating scale that has a single-item measure for a global construct. A series of linear regression models, developed for first and second years of caregiving, was used to measure the impact of patient&nbsp.characteristics and caregiver characteristics on caregiver HRQL.

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