Which of the following types of research involves at least some control by the researcher to implement the st… - AIIMS Jodhpur SNO-2023

AIIMS Jodhpur SNO-2023

Nursing Research & Statistics

Medium

Appeared in: AIIMS Jodhpur SNO-2023

Explanation

Quasi-experimental research involves the active manipulation of an independent variable by the researcher, which constitutes a level of control.
This design is distinct from true experimental research because it lacks one or both of the key components of full control: randomization of subjects and a control group.
The phrase 'at least some control' accurately describes this intermediate level of research control, which is more than non-experimental designs but less than true experimental designs.

Option A: Correlational research is non-experimental and purely observational. The researcher does not implement any treatment or manipulate variables, and therefore has no control.
Option B: Experimental research involves a high degree of control, including manipulation, randomization, and a control group. The phrase 'at least some control' is a better fit for quasi-experimental designs, which have some but not all of these control elements.
Option C: Descriptive research is non-experimental and aims to describe a population or phenomenon. The researcher observes and measures but does not intervene, meaning there is no control.

Visual 1: Flowchart - A flowchart illustrating the classification of research designs. It would start with a primary split between 'Experimental' and 'Non-experimental'. 'Experimental' would then branch into 'True Experimental' and 'Quasi-experimental', with their key features listed. 'Non-experimental' would branch into 'Descriptive' and 'Correlational'.

Clinical Relevance

Nursing practice connection: Knowing Classification of Research Designs helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Understanding different research designs is fundamental for evidence-based practice (EBP) in nursing. Nurses must be able to critique research studies to determine the strength and applicability of the evidence.
A nurse might encounter a quasi-experimental study evaluating a new wound care protocol on their unit. By understanding the design, they can recognize that while the results are promising, the lack of randomization means other factors could have influenced the outcome.
What if the study lacked any researcher intervention and only observed patient outcomes? It would then be a non-experimental (e.g., descriptive or correlational) study, providing a lower level of evidence for causality.

How to Approach the Question

First, identify the key terms in the question: 'at least some control' and 'implement the study treatment'.
'Implement the study treatment' signifies that the researcher is actively intervening, which is known as manipulation. This immediately points towards experimental or quasi-experimental designs and helps rule out non-experimental designs like correlational and descriptive.
Next, focus on the qualifier 'at least some control'. This phrase suggests a moderate or partial level of control, not the highest possible level.
Compare the remaining options. True experimental research is defined by high control (manipulation, randomization, and a control group).
Quasi-experimental research involves manipulation but lacks full control (e.g., no randomization). This perfectly matches the description of having 'at least some control'.
Therefore, select quasi-experimental as the best fit for the question's specific wording.

Concept Tested & Keywords

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