Thursday, 9 April 2026

A note on theoretical sampling

 A note on theoretical sampling

On 5 main ideas of theoretical sampling and describe 2 main claims of it in terms of Toulmin's model of arguments.

    Theoretical sampling, a core technique in grounded theory methodology developed by Glaser and Strauss, involves iteratively selecting data sources based on emerging theoretical insights rather than predefined populations, aiming for conceptual density until saturation. It contrasts with probability sampling by prioritizing theory development over statistical representation.

Main Ideas of Theoretical Sampling

·        Sampling decisions emerge from ongoing data analysis: Initial purposive cases generate categories, guiding subsequent selections to test, refine, or saturate them.

·        Theoretical saturation ends the process: Data collection stops when new cases yield no novel insights, ensuring comprehensive category development.

·        It favors deviant and maximum variation cases: Researchers seek negative instances or diverse examples to challenge and elaborate emerging theory, avoiding confirmation bias.

·        Not pre-planned but jointly collects, codes, and analyzes: Flexible, inductive-deductive process builds rigor in qualitative theory generation.

·        Focuses on conceptual relevance over representativeness: Samples theoretical units (e.g., processes, types) tied to the phenomenon, ignoring demographics unless theoretically pertinent.

Claims in Toulmin's Model

Claim 1: Theoretical sampling generates robust, grounded theory. Data: Iterative case selection refines categories via saturation, as in Glaser/Strauss's awareness of dying studies. Warrant: Analysis-driven choices ensure data fits emerging concepts; random sampling misses theoretical depth. Backing: Grounded theory's success in sociology/health validates precision over breadth. Qualifier: Best for exploratory theory-building.

Claim 2: Seeking deviant cases strengthens explanatory power. Data: Negative instances prompt reformulation, maximizing variation for robust boundaries (e.g., discourse analysis). Warrant: Confirmation bias weakens theory; challenges build density/complexity. Backing: Methodology's emphasis on exhaustive category properties confirms universality within scope. Rebuttal: Impractical for large-scale description.

A note on analytic induction

 A note on analytic induction


On 6 main ideas of analytic induction and describe 2 main claims of it in terms of Toulmin's model of arguments

    Analytic induction is a qualitative research method in sociology, pioneered by Florian Znaniecki, that seeks precise causal explanations for social phenomena through iterative hypothesis testing against cases, emphasizing the resolution of deviant instances over probabilistic generalizations.

Main Ideas of Analytic Induction

·        It aims for universal causal explanations by identifying necessary and sufficient conditions for a phenomenon, contrasting with statistical induction's mere correlations.

·        Research begins with a small set of cases to form an initial hypothesis, then systematically examines additional cases for fit.

·        Deviant or negative cases are central: if a case contradicts the hypothesis, either reformulate the explanation or redefine the phenomenon's boundaries to restore universality.

·        The process is iterative and exhaustive, continuing until no further exceptions arise, ensuring a "perfect" explanatory fit across all observed instances.

·        Hypotheses evolve dynamically via abstraction first, then generalization, prioritizing causal homogeneity over enumerative coverage.

·        It employs principles like structural dependence (hierarchizing traits by importance) and causality (dynamic laws linking factors).

Claims in Toulmin's Model

Claim 1: Deviant cases refine explanations to universality. Data: Initial hypotheses from few cases fail against exceptions, prompting reformulation (e.g., Cressey's embezzlement studies). Warrant: True causality demands no counterexamples; adjustment ensures joint sufficiency. Backing: Znaniecki's four steps validate this progression. Qualifier: Generally for bounded phenomena.

Claim 2: Analytic induction yields causal laws superior to statistics. Data: Probabilistic methods tolerate anomalies; AI eliminates them via redefinition. Warrant: Science seeks deterministic universals, not approximations; negative case analysis achieves this. Backing: Applications in deviance research confirm explanatory precision. Rebuttal: Limited to small-N qualitative depth.

A note on logical positivism

 A note on logical positivism

On 6 ideas of logical positivism and describe 2 of its claims in terms of Toulmin's model of arguments.

    Logical positivism is the view that knowledge should be tied to empirical verification and clear logical analysis, and it rejects metaphysics as cognitively meaningless.

Six ideas

1.    Verification matters: a statement is meaningful only if it can be verified by observation or is logically true.

2.    Science is central: scientific knowledge is treated as the strongest, or only, genuine factual knowledge.

3.    Metaphysics is rejected: claims about God, substance, or ultimate reality are not treated as proper factual claims.

4.    Language needs analysis: many philosophical problems arise from misuse or confusion in language.

5.    Logic is essential: reasoning should be made explicit, precise, and formally structured.

6.    Empiricism is primary: knowledge begins with observation and public evidence rather than private speculation.

Two claims in Toulmin terms

Claim 1: “A statement is meaningful only if it is empirically verifiable.”

·        Claim: The statement is meaningful only if it can be verified by observation.

·        Grounds: Observations and experiments provide the test for meaning.

·        Warrant: If a claim cannot be checked against experience, it does not count as genuine factual knowledge.

·        Backing: Logical positivism’s verification principle supports this rule.

Claim 2: “Metaphysical statements are meaningless.”

·        Claim: Metaphysical assertions are not genuine factual claims.

·        Grounds: Questions about God, substance, or absolute reality cannot be publicly verified.

·        Warrant: If a sentence has no empirical test, it lacks cognitive meaning in the positivist view.

·        Backing: The movement’s rejection of non-verifiable language underwrites this conclusion.

MBA dissertation angle

For MBA dissertations, logical positivism usually aligns more closely with quantitative and hypothesis-testing research than with interpretive designs. It supports clear variables, measurable indicators, and claims that can be checked against data. This makes it especially relevant when students study performance, attitudes, market behavior, or organizational outcomes in a structured way.

A note on questionnaires survey

 A note on questionnaires survey

 

On 8 general characteristics of questionnaire survey, notably in the context of MBA dissertation projects.

    Questionnaire surveys provide a structured quantitative method for MBA dissertations, enabling efficient data collection from large samples to test hypotheses on business topics like customer satisfaction or employee engagement.

Standardized Questions

All respondents receive identical items, ensuring consistency and comparability across answers. In MBA projects, this uniformity supports statistical analysis of variables like market preferences.

Self-Report Measurement

Data relies on participants' direct reports of attitudes, behaviors, or experiences via scales, checkboxes, or open fields. Dissertations use this for scalable insights into organizational phenomena without direct observation.

Large Sample Potential

Designed for broad reach (hundreds to thousands), enhancing generalizability through probability sampling. MBA students leverage online distribution for diverse business stakeholder views within tight timelines.

Versatility in Modes

Administered via mail, online, phone, or in-person, adapting to respondent access and research needs. For dissertations, digital platforms like Google Forms facilitate quick deployment in Hong Kong business contexts.

Clear, Simple Wording

Questions employ neutral, unambiguous language to minimize bias and misinterpretation. This precision aids MBA researchers in crafting reliable items on complex topics like investment strategies.

Logical Sequencing

Items flow from general to specific, easy to difficult, reducing respondent fatigue and dropout. Dissertation surveys benefit by maintaining high completion rates for robust datasets.

Pre-Testing Required

Pilot tests validate clarity, reliability, and validity before full rollout. MBA projects incorporate this to refine instruments, ensuring alignment with research objectives like strategy evaluation.

High Reliability Focus

Emphasizes consistent results through closed-ended formats and psychometric checks. In business theses, this yields defensible findings for recommendations on Singapore REITs or similar.

A note on grounded theory

 A note on grounded theory

On 8 general characteristics of grounded theory, notably in the context of MBA dissertation projects.

    Grounded theory is an inductive methodology perfect for MBA dissertations, enabling theory to emerge directly from data on business phenomena like organizational behaviors or strategies.

Inductive Approach

Theories develop from raw data such as interviews or observations, without preconceived hypotheses, contrasting deductive methods. In MBA projects, this uncovers novel insights into unexplored areas like remote work impacts on employee commitment.

Concurrent Processes

Data collection and analysis run iteratively in cycles, with early findings shaping subsequent data needs. MBA students use this flexibility to refine focus during time-limited dissertations, ensuring relevance to real business contexts.

Theoretical Sampling

Sampling evolves based on emerging concepts, targeting data gaps rather than fixed populations. For dissertations on topics like Hong Kong audit firms' policies, it guides interviews with key Gen Z employees as patterns surface.

Constant Comparison

Ongoing comparison of incidents, codes, and categories sharpens concepts and prevents superficial analysis. This rigor helps MBA researchers build robust, data-backed models of complex dynamics like organizational commitment.

Coding Progression

Open coding fragments data into initial concepts, axial coding links them, and selective coding integrates into a core theory. Dissertation writers apply this systematically to generate cohesive frameworks from qualitative business data.

Theoretical Saturation

Data gathering stops when no new insights emerge, ensuring efficiency and completeness. In MBA work, this bounds scope, allowing focus on substantive theories applicable to practice.

Memo Writing

Researchers document reflections, hunches, and category links throughout, aiding theory crystallization. This practice supports reflective depth in dissertations, bridging empirical findings to managerial implications.

Empirical Grounding

Resulting theories stay tightly linked to data, yielding context-specific, actionable insights over abstract generalizations. MBA projects benefit by producing practical recommendations, like policy tweaks for Gen Z retention.

A note on case study research

A note on case study research

 

On 8 general characteristics of case study research, notably in the context of MBA dissertation projects.

Case study research is a qualitative method ideal for MBA dissertations, offering in-depth exploration of real-world business phenomena within their contexts.

Core Focus

Case studies center on specific entities like organizations, events, or decisions in their natural settings, providing holistic insights into complex dynamics. This approach suits MBA projects by examining practical business challenges, such as strategy implementation or leadership dilemmas.

Thick Description

They produce rich, detailed narratives using qualitative data like interviews, observations, and documents, emphasizing "thick description" over statistics. In MBA dissertations, this builds comprehensive profiles of cases like company turnarounds.

Real-World Context

Emphasis lies on interrelationships within authentic environments, capturing contextual factors like culture or market forces. MBA students apply this to link theory to practice, analyzing how external variables influence outcomes.

Multiple Evidence Sources

Reliance on triangulation—combining data from varied sources—ensures robustness and validity. For dissertations, this might involve company reports, stakeholder interviews, and surveys.

Flexibility in Design

Designs vary (single/multiple cases, longitudinal), adapting to research goals without rigid structures. MBA projects benefit from this adaptability for exploratory or explanatory aims.

Theory-Practice Bridge

They exemplify, expand, or challenge theories by applying them to concrete scenarios, fostering critical thinking. In business education, this generates actionable recommendations.

Practical Orientation

Findings yield problem-solving insights, such as strategies for performance improvement, with real-world applicability. MBA dissertations often culminate in implications for managers or policymakers.

Bounded Systems

Analysis targets a clearly defined "bounded system" (e.g., one firm over a period), enabling intensive depth. This focus prevents scope creep in time-constrained dissertation work.