WebResearch design Goal Advantages Disadvantages; Descriptive: To create a snapshot of the current state of affairs: Provides a relatively complete picture of what is occurring at a given time. Allows the development of questions for further study. Does not assess relationships among variables. May be unethical if participants do not know they are ... WebIn analytical cross-sectional studies, the odds ratio can be used to assess the strength of an association between a risk factor and health outcome of interest, provided that the current exposure accurately reflects the past …

NEDARC - Descriptive Study

Web25 Mar 2024 · Cross-sectional research studies are a type of descriptive research that provides information from groups. Because it is a snapshot of a moment in time, this type of research cannot be used to ... Web10 Apr 2024 · A standardized study design is vital for efficiently measuring a population. Once a study design is created, it is important that researchers maintain the same study procedures over time to uphold the validity of the observation. ... On the other hand, cross-sectional studies tend to be cheaper and quicker but can only provide a snapshot of a ... 38周胎儿体重

RESEARCH METHODS AND MEASUREMENT 2 - SAGE …

WebCross-sectional studies provide a 'snapshot' of the outcome and the characteristics associated with it, at a specific point in time. Unlike the experimental design where there is an active intervention by the researcher to produce and measure change or to create differences, cross-sectional designs focus on studying and drawing inferences from … Web20 Mar 2008 · See answer (1) Best Answer. Copy. In Psychology a snap shot study is a study which takes place over a short period of time, i.e. hours (possibly days) as opposed to a longitudinal study which ... Web14 Apr 2024 · A cross-sectional study is a type of observational study, or descriptive research, that involves analyzing information about a population at a specific point in … 38周羊水指数正常范围