LESSON 3 - ELEMENTS OF SCIENTIFIC RESEARCH: CONCEPTS, CONSTRUCTS AND VARIABLES

LESSON 3 - ELEMENTS OF SCIENTIFIC RESEARCH: CONCEPTS, CONSTRUCTS AND VARIABLES

by Prof. Lydia Wambugu

Humanities, Social Sciences & Thought Science — General & History GPResearch and information: generalGPSResearch methods
🎙 Prof. Lydia Wambugu 👥 29K 📅 April 2, 2021 ⏱ 14 min 👁 29K 📄 tutorial 🧭 2026-08-17
Available in: English (current) Français

Keywords

scientific researchconceptconstructvariableresearch elements

Summary

This lesson introduces three fundamental elements of scientific research: concepts, constructs, and variables. The instructor begins by emphasizing that every discipline has its own language, and research is no exception. Concepts are defined as mental representations of phenomena, formed through observation and used to describe empirical reality. Constructs are concepts that have been deliberately adopted for scientific purposes, often abstract and not directly observable. Variables are characteristics that can take on different values and are derived from constructs. The lesson provides examples to illustrate each element and explains how they relate to the research process. The instructor also mentions that these elements are building blocks that help researchers move from abstract ideas to concrete research designs. The video is part of a larger course on research methods, and the instructor encourages viewers to ask questions in the comments. The presentation is straightforward but lacks depth and critical analysis, and the transcription is of poor quality, making it difficult to follow at times.

162 words

Critical Evaluation

Value of the Information & Strength of the Argument

The video provides a basic but clear explanation of the three core concepts, which is valuable for beginners. The argumentation is logical and follows a structured progression from concepts to constructs to variables. However, the discussion remains superficial, with limited examples and no critical examination of the nuances or controversies surrounding these definitions. The instructor relies on simple definitions and does not engage with the broader literature or alternative perspectives.

79 words

Title / Content Match

The title accurately reflects the content, which focuses on concepts, constructs, and variables.

Quality & Reliability

6/10

The video provides a clear and structured introduction to key research concepts, but lacks depth and critical discussion. The presentation is based on established definitions, but the quality is limited by the informal delivery and lack of references to authoritative sources.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

  • Research Methods Course — The instructor mentions this as the full course for further learning.
  • YouTube Channel — The instructor encourages subscription to the channel.
  • Facebook — Social media link provided in the description.
  • Instagram — Social media link provided in the description.
  • LinkedIn — Social media link provided in the description.
  • WhatsApp — Contact link provided in the description.

Concurring Sources

Contribution & Novelties

The video offers a concise and accessible introduction to the foundational elements of scientific research, which is particularly useful for students new to research methodology. It clarifies the distinctions between concepts, constructs, and variables, which are often confusing for beginners. However, the content is not novel and is largely based on standard textbook definitions. The presentation style is straightforward, but the lack of depth and critical analysis limits its contribution to the field.

Pour aller plus loin :

  • Concept (Wikipedia) — Provides a broader philosophical and cognitive perspective on concepts.
  • Construct (social science) — Explains the role of constructs in research and measurement.
  • Variable (research) — Discusses types of variables and their importance in research design.

116 words

Radar Profile

The radar profile shows moderate scores across all dimensions, indicating a balanced but not exceptional video. The highest score is in 'qualite_information' and 'fiabilite_globale', reflecting the accuracy of the content, while 'quantite_information' and 'niveau_technique' are lower, suggesting a lack of depth and technical detail.

Reliability 6/10

💬 No comments were provided for analysis.