Quantitative Research, health and medical assignment help

1-2 pages, use peer-reviewed articles that are less than 5 years old 
Topic 1: Quantitative Research Design

Using the knowledge and insights gained from the textbook and other reliable sources answer the following.

  1. In your own words, define quantitative research and provide two examples of quantitative designs with a brief explanation of each design.
  2. Identify a potential quantitative research study that is important to nursing and describe which design you would use for this study, why you would use that design, and how the information generated from the study could be applied in nursing practice.
  3. Reflect as to the value of quantitative research adding to the science, knowledge, and practice of nursing.

Unit overview 

In this unit, you will have the opportunity to develop seven preliminary questions that you will use to appraise and determine the quality of quantitative evidence. Not all evidence is “created alike.” Determining how to evaluate evidence will help you learn the concepts of validity and reliability, as well learn five common statistical errors in quantitative studies. For example, while the data in the study may be reliable for that particular sample, it may be not be valid to use it for your practice setting. Learning to make these types of decisions from a systematic review will be the focus of this unit.

Relate Elements of Quantitative Study Designs

In this section you will learn how to critically appraise a study design. For example, you will answer important questions such as why the study was done, what the sample size may be, and whether the variables are valid and reliable.

Seven preliminary questions used to evaluate quantitative studies

Using the seven preliminary questions you will learn to ask the following questions of the reviews you conduct:

  1. Why was the study done?
  2. What is the sample size?
  3. Are the measurements valid and reliable?
  4. How was the data analyzed?
  5. Were there any untoward events in the study?
  6. Do the results fit with previous research?
  7. Does the research have specific meaning for clinical practice?
Common Statistical Errors Review

It is important to recognize common statistical errors, such as bias. You will learn how important randomly assigning participants are for study value. An important aspect of systematic reviews is recognizing potential errors and bias in research. If you do not account for this you could accept studies as evidence that have errors in their design.

Principles of Statistical Methods to Participant Sampling

Random assignment of participants is the key to being able to see a cause and effect with an intervention. Without randomization, the results could be biased with a particular group response to the study. That makes it difficult to make a cause and effect relationship. This is the foundation of randomly assigning participants to a study, understanding the difference between a control group and an intervention group.

Expert Solution Preview

Introduction:
Quantitative research is a methodology used to answer questions about measurable concepts or phenomena. It involves the collection and analysis of numerical data to test hypotheses and make statistical inferences. In this article, we will define quantitative research, provide examples of quantitative design, identify a potential quantitative research study that is important to nursing, describe which design we would use for this study and reflect on the value of quantitative research adding to the science, knowledge, and practice of nursing.

1. In your own words, define quantitative research, and provide two examples of quantitative designs with a brief explanation of each design.

Quantitative research is a scientific method used to collect and analyze numerical data to examine the relationships between variables. It involves applying statistical techniques to gain an understanding of complex phenomena. Two examples of quantitative research designs are:

i. Experimental design: This design involves randomly assigning participants to either an experimental or control group to test the impact of an intervention or treatment on an outcome. This design is often used in drug trials, where participants are randomly assigned to a treatment group or a placebo group, and the outcomes are compared.

ii. Survey design: This design involves collecting data from a sample of respondents by administering a standardized questionnaire. The data thus collected is analyzed to identify patterns and relationships among variables. This design is often used in public health research to gather information about attitudes, beliefs, and behaviors related to health issues.

2. Identify a potential quantitative research study that is important to nursing and describe which design you would use for this study, why you would use that design, and how the information generated from the study could be applied in nursing practice.

A potential quantitative research study in nursing could be to investigate the effect of nurse-staffing levels on patient outcomes, such as mortality rates and hospital-acquired infections. The design that could be used for this study is a quasi-experimental design. This design involves comparing outcomes before and after implementing an intervention. In this case, the intervention would be increased nurse-staffing levels.

Information generated from this study could be applied in nursing practice by providing evidence-based guidelines for nurse-staffing levels that can improve patient outcomes. This study could also inform healthcare policy decisions about nurse-staffing levels in hospitals.

3. Reflect as to the value of quantitative research adding to the science, knowledge, and practice of nursing.

Quantitative research adds value to nursing by providing a scientific approach to solving clinical problems. It helps to identify evidence-based practices that can improve patient outcomes and promote quality care delivery. The findings of quantitative research can inform healthcare policy decisions, improve nursing practice, and contribute to enhancing the overall quality of patient care. With quantitative research, nurses can make better-informed decisions and provide evidence-based care, which can lead to improved patient outcomes.

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