Research Methodology

The two fundamental sampling strategies in quality management are process sampling (monitoring a process over time) and population sampling (drawing conclusions about a complete population or batch). Process sampling focuses on stability while population sampling focuses on estimation.

The scientific method relies on observation (gathering data), experimentation (testing variables), and measurement (quantifying results). While hypothesis and inference are parts of the process, measurement is the third fundamental 'method' for empirical validation.

Analogue research involves studying healthy, non-clinical populations to understand normal functioning, which can then be compared to clinical populations. This differs from treatment efficacy studies (A), comparative treatment studies (B), or clinical population research (C).

Primary research involves collecting original data directly from sources for the first time, such as surveys, interviews, or focus groups. The other options describe secondary research - using existing data sources like Mintel, magazines, or TV broadcasts. First-hand respondent data is the defining characteristic of primary research.

Fixed Sample is a sampling type used in sampling procedures within SAP QM. It specifies a constant sample size to be drawn for inspection, regardless of batch size. This differs from 100% inspection (checking all units), percentage sampling (proportional to batch size), or sampling schemes (which use AQL tables for variable sampling).

Exploratory technique comes under the Dynamic Approach because it involves simultaneous learning, test design, and execution - all dynamic activities. Model Based Approach uses predefined models, Consultative Approach relies on expert input, and Preventive Approach focuses on prevention.

The correlational method is a research technique used to determine the degree of relationship between two variables. It measures whether changes in one variable are associated with changes in another, without manipulating either variable or establishing causation.

Random selection from the larger population is the gold standard for creating representative samples. It gives each member an equal chance of being chosen, minimizing selection bias. Volunteer samples are biased, coercion is unethical, and mail-order lists are not representative.

Test-retest reliability involves administering the same test to the same participants on two occasions and measuring the correlation between scores. This directly assesses the consistency of measurement over time, unlike content validity (which concerns validity) or negative correlation (which indicates poor reliability).

Action research is a research initiated to solve an immediate problem.

A purposive sample, also commonly called a judgmental sample, is one that is selected based on the knowledge of a population and the purpose of the study. The subjects are selected because of some characteristic.

Primary research is proactively created for a specific purpose. Primary research may include focus groups, qualitative surveys and phone interviews.

This option is correct. Ethical considerations must be considered in all forms and types of research. No research can be conducted which is ethically not acceptable. Thus, both the qualitative as well as quantitative research have ethical constraints.