Types of Experimental Design

Duration: 2 min

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Module outline

  1. Paper-I | Mathematical Abilities: Ratio and Proportion (Ratios), Divisibility Rules, Data Interpretation, Mixture and Alligation, Number System, Speed Time and Distance, Arithmetic, Percentage, Average, Simple Interest and Compound Interest, Profit and Loss, Partnership, Time and Work, Algebra, Mensuration and Geometry, Trigonometry, Linear Algebra
  2. Paper-I | Reasoning & General Intelligence: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Syllogisms, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Selection Decision Table (Decision Making), Logical Sequence Of Words, Crypt Arithmetic, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence, Clerical Aptitude, Verbal Classification
  3. Paper-I | English Language & Comprehension: Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Preposition, Articles, Direct and Indirect Speech, Conjunction, Modals, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Sentence Construction, Active Passive Voice (Voice), Determiner, Facts, Inference and Judgements
  4. Paper-I | General Awareness: Polity, Physics, Biology, Chemistry, Environment, GK- Current Affairs, Static General Knowledge, History, Geography, Indian Economy
  5. Paper-I | Computer Knowledge/Proficiency): Basics of COA, Transport Layer Services, Keyboard Shortcuts, MS Office Applications, MS Office by Yash Sir, Emerging Tech Trends, Society, Law & Ethics, Website, Browser & Services, Internet Fundamentals, Web Design & Development, Introduction to CN, Hardware basics, Network Security, Application Layer, Cyber and Info Security, Cyber Threats and Malware Attacks, Cyber Safety and Security, Role of Internet and Web Services, Security in Mobile and Wireless Computing
  6. Paper-II | Statistics: Statistics, Probability, Research Process Steps
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a lecture on experimental research design, focusing on the concepts of blinding and the key components of an experiment. The instructor begins by defining two types of experimental designs related to blinding: a blind study, where participants do not know which group they belong to, and a double-blind study, where neither participants nor researchers know the group assignments. The main part of the lecture then details the elements of an experimental research design using a specific example. The hypothesis is stated as: 'Using a specific study technique will improve test scores.' The independent variable is identified as the 'Use of the specific study technique,' and the dependent variable is 'Test scores.' The experimental group consists of 'Students who use the specific study technique,' while the control group is 'Students who use their usual study methods.' The content is presented on a slide with clear bullet points, and the instructor is visible in a small window in the top right corner.

Chapters

  1. 0:00 – 1:30 00:00-01:30

    The video displays a slide titled 'Types of Experimental Designs (Related to Blinding):' which defines a 'Blind Study' as one where 'Participants do not know which group they belong to in the experiment' and a 'Double-blind Study' as one where 'Neither the participants nor the researchers know who is in which group.' The slide then transitions to a section titled 'Elements of Experimental Research Design,' which lists the components of an experiment using a specific example. The hypothesis is 'Using a specific study technique will improve test scores.' The independent variable is 'Use of the specific study technique,' and the dependent variable is 'Test scores.' The experimental group is defined as 'Students who use the specific study technique,' and the control group is 'Students who use their usual study methods.' The instructor is visible in a small window in the top right corner, and the 'KNOWLEDGEGATE' logo is present.

The lecture systematically breaks down the structure of an experimental study. It first establishes the importance of blinding to reduce bias, defining blind and double-blind designs. It then provides a concrete example to illustrate the core components of an experiment: the hypothesis, independent variable, dependent variable, experimental group, and control group. This progression moves from a general methodological concept to a specific, applied framework, helping students understand how to design a valid experiment.

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