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Case Studies01:22

Case Studies

There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
Surveys02:16

Surveys

Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Ethics in Research01:56

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
Introduction to Statistics01:17

Introduction to Statistics

The science of statistics involves collecting, analyzing, interpreting, and presenting data. The method of collecting, organizing, and summarizing data is called descriptive statistics. The systematic method of drawing inferences from the sample data and predicting unknown characteristics of a population is called inferential statistics.
In statistics, the collection of individuals or objects under study is called population. The idea of sampling is to select a portion of the larger population...
Study Design in Statistics01:15

Study Design in Statistics

A study design is a set of techniques that allow a researcher to collect and analyze data from different variables defined for a specific research problem. Statistics is commonly for effective study design and more robust experiments,
Does aspirin reduce the risk of heart attacks? Is one brand of fertilizer more effective at growing roses than another? Is fatigue as dangerous to a driver as the influence of alcohol? Questions like these are answered using randomized experiments with proper...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...

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Related Experiment Video

Updated: Jul 13, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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An Introduction to Implementing and Conducting the Study.

Bernadette Capili1, Joyce K Anastasi

  • 1Bernadette Capili is director of the Heilbrunn Family Center for Research Nursing at Rockefeller University, New York City, and Joyce K. Anastasi is the Independence Foundation Professor of Nursing and founding director of Special Studies in Symptom Management at New York University. This manuscript was supported in part by grant No. UL1TR001866 from the National Institutes of Health's National Center for Advancing Translational Sciences Clinical and Translational Science Awards Program. Contact author and column coordinator: Bernadette Capili, bcapili@rockefeller.edu . The authors have disclosed no potential conflicts of interest, financial or otherwise.

The American Journal of Nursing
|April 25, 2024
PubMed
Summary

This article series guides nurses through clinical research principles, crucial for evidence-based practice. Learn essential concepts from research design to data interpretation for improved patient care.

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Area of Science:

  • Nursing Research
  • Clinical Practice
  • Evidence-Based Practice

Background:

  • This is the 21st article in a continuing series focused on clinical research for nurses.
  • The series aims to serve as a comprehensive resource for nursing professionals.
  • It covers fundamental concepts and principles essential for conducting and understanding research.

Purpose of the Study:

  • To provide nurses with foundational knowledge in clinical research.
  • To explain the core concepts underpinning evidence-based practice.
  • To demystify the research process from design to interpretation.

Main Methods:

  • This article is part of an ongoing educational series.
  • It presents concepts sequentially, covering research design.
  • Subsequent topics include data interpretation and application.

Main Results:

  • The series systematically builds knowledge on clinical research for nurses.
  • Each article focuses on specific elements of the research process.
  • Readers are guided through understanding research methodologies.

Conclusions:

  • Nurses can enhance their practice through a solid understanding of clinical research.
  • This series provides a structured approach to learning research principles.
  • Accessing the full series offers a complete resource for evidence-based practice development.