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Related Concept Videos

Qualitative Analysis03:46

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
Qualitative Analysis01:10

Qualitative Analysis

Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
The Anchoring-and-Adjustment Heuristic01:25

The Anchoring-and-Adjustment Heuristic

In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the $2,000...
Theoretical Foundations of Nursing Practice01:30

Theoretical Foundations of Nursing Practice

Theories play an essential role in organizing patient care. Theories refer to a proposed or followed belief, policy, or procedure that is the basis for action. Nursing theories are knowledge-based concepts that guide nurses' actions, influence nursing education and practice, and allow nurses to care for their patients.
Theories provide a perspective to assess patients' conditions and organize data and methods. They also assist in analyzing and interpreting information. They represent a...
Stratified Sampling Method01:16

Stratified Sampling Method

Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a stratified sample, divide the population into groups called strata and then take a...
Hypothesis: Accept or Fail to Reject?01:17

Hypothesis: Accept or Fail to Reject?

The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null hypothesis and 'fail to...

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Related Experiment Video

Updated: May 30, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

Navigating the grounded theory terrain. Part 1.

Andrew Hunter1, Kathy Murphy, Annmarie Grealish

  • 1School of Nursing and Midwifery, National University of Ireland, Galway. andrew.hunter@nuigalway.ie

Nurse Researcher
|August 23, 2011
PubMed
Summary
This summary is machine-generated.

Choosing a grounded theory approach requires careful consideration of methodological complexity. This study explores three distinct grounded theory methods—classic, Straussian, and constructivist—to aid researchers in making informed decisions for their studies.

Related Experiment Videos

Last Updated: May 30, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

Area of Science:

  • Nursing Research
  • Qualitative Methodology

Background:

  • Grounded theory is frequently cited in nursing research but often lacks clear understanding.
  • Methodological divergence and historical development contribute to confusion surrounding grounded theory.
  • Key differences and commonalities across various grounded theory approaches are essential to understand.

Purpose of the Study:

  • To illustrate the methodological complexity and decision-making process involved in selecting a grounded theory approach.
  • To explore the decision-making of a researcher during the initial two years of a PhD study on psychosocial training needs for dementia care professionals.
  • To map out and compare three distinct grounded theory approaches: classic, Straussian, and constructivist.

Main Methods:

  • Review of methodological literature for classic, Straussian, and constructivist grounded theory.
  • Presentation of options to support the researcher's methodological choice.
  • Consideration of methodological and personal factors influencing the decision.

Main Results:

  • The process of selecting classical grounded theory for a specific research project is detailed.
  • Methodological and personal factors influencing the choice of classical grounded theory are outlined.
  • A review of the strengths of Straussian and constructivist grounded theories is provided.

Conclusions:

  • All three grounded theory approaches offer structured and rigorous methodologies.
  • Researchers must understand their methodological choices, which should be based on diverse factors.
  • This article presents the decision-making process; a subsequent article will detail the final choice and its application.