Читать книгу Nursing and Health Interventions - Souraya Sidani - Страница 77

The conduct of primary studies is resource intensive and time consuming. It is often limited by potential biases associated with the inadequacy of the accrued sample size, restricted representation of all subgroups comprising the target client population, and the quality of the obtained data (e.g. missing data that reduce statistical power to detect significant relationships among determinants and problem; and non‐normal response distribution that constrains the use of powerful statistical tests). Analysis of available data is a means to overcome some of these limitations