Analyzing Inpatient Cardiac Surgery Mortality and Nurse Factors: A Non-Experimental Study Evaluation

QUESTION

The relationship between inpatient cardiac surgery mortality and nurse numbers and educational level: Analysis of administrative data” by Van den Heede et al., (2009). whether or not the study adhered to the criteria for non-experimental

ANSWER

Analyzing Inpatient Cardiac Surgery Mortality and Nurse Factors: A Non-Experimental Study Evaluation

Introduction

The study titled “The Relationship between Inpatient Cardiac Surgery Mortality and Nurse Numbers and Educational Level” by Van den Heede et al. (2009) explores the potential connection between nursing staff levels, educational qualifications, and inpatient cardiac surgery mortality. In this essay, we will examine whether this study adhered to the criteria for a non-experimental research design, highlighting the key elements of such a design.

Non-Experimental Research Criteria

Non-experimental research designs aim to investigate relationships or differences without intervention, manipulation, or control of variables. They are observational in nature, and their strength lies in exploring existing phenomena in real-world settings. To assess whether Van den Heede et al.’s study adhered to the criteria for non-experimental research, we will analyze its key aspects.

Absence of Intervention

A fundamental characteristic of non-experimental research is the absence of intervention or manipulation by the researchers. In this study, Van den Heede et al. did not intervene in the staffing or education levels of the nursing staff. They merely observed and analyzed data that naturally occurred in the healthcare setting. This aligns with the non-experimental research criteria.

Observational Nature

Non-experimental research relies on observation and data collection without attempting to influence the variables being studied. Van den Heede et al. collected administrative data on cardiac surgery mortality and nurse numbers and educational levels without implementing any interventions. This aligns with the non-experimental nature of the study.

Real-World Setting

Non-experimental research is typically conducted in real-world settings, and Van den Heede et al.’s study used administrative data from hospitals, reflecting actual patient care scenarios. This adheres to the non-experimental research criteria as it examines phenomena in their natural context.

Correlational Analysis

Non-experimental research often focuses on correlational analysis, investigating relationships between variables without establishing causation. The study by Van den Heede et al. indeed pursued a correlational approach by examining the relationship between nurse numbers, educational levels, and cardiac surgery mortality. They did not attempt to infer causation.

Lack of Control Group

In non-experimental research, there is typically no control group, as the researcher does not manipulate variables. Van den Heede et al. did not introduce a control group but instead collected data from various hospitals and analyzed the existing conditions.

Conclusion

Van den Heede et al.’s study on the relationship between inpatient cardiac surgery mortality and nurse numbers and educational levels adheres to the criteria for non-experimental research. The study’s design was observational, lacked intervention, occurred in a real-world healthcare setting, employed correlational analysis, and did not utilize a control group. This type of research design is well-suited for examining complex, real-world relationships and contributing valuable insights to the field of healthcare, as was the case with this study.