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What is Hypothesis? (Part 1 of 2) 13 Types of Hypothesis (Null & Alternative) - Research Methodology

Dr. Manishika Jain Call: +91-9998008851 https://www.examrace.com/Research/ Email: [email protected] Dr. Manishika Jain in this lecture explains the meaning of hypothesis and 13 major types of research hypothesis: Insufficient Evidence Can be true or false Tentative solution to a problem May or may not be correct Clear Precise Testable Consistent with facts Provide answer to problem Logical simplicity Not contradict established facts Why Important? Direction to research Operationalize procedure Select facts Replicate research Draw logical conclusion Relation between variables Provides a statement deduced from theory Aims to Find? Difference Relationship (Statistically significant – Implies difference in result did not occur by chance) Interaction Null versus Alternative Hypothesis Null Hypothesis (𝐻_0) No statistical significance between the two variables. Researcher is trying to disprove it.  Individual is free from disease Relationship is due to chance Alternative Hypothesis (𝐻_𝑎) Statistical significance between the two variables. Researcher is trying to approve it  Individual has disease Relationship is not due to chance If 𝐻_𝑎 is accepted, 𝐻_0 is rejected Substantive vs. Statistical Substantive – expected relation b/w variables, not operationalized Statistical – operationalized in terms of statistical parameter Simple vs. Complex Simple – 1 IV & 1 DV Complex – 2 or more IV & 2 or more DV Practical vs. Statistical Practical – In terms of practical outcomes Statistical – In statistical outcomes Positive, Negative or Null Null – no relation b/w IV & DV Positive Negative Universal vs. Existential Universal – all variables are true at all times “Brave soldiers if rewarded will perform well” Existential – exist atleast for one particular case “Few corporate staff might not perform well despite reward” Chapters: 0:00 Introduction: What is Hypothesis? (Part 1 of 2) 13 Types of Hypothesis (Null & Alternative) - Research Methodology 0:09 Hypothesis 2:16 Concept 3:17 Why Important? 2:41 Aims to Find? 3:31 Null versus Alternative Hypothesis 4:47 Null Hypothesis (H_0) 5:44 Alternative Hypothesis (H_a) 9:35 Substantive vs. Statistical 10:45 Simple vs. Complex 11:49 Practical vs. Statistical 12:36 Positive Negative or Null 13:27 Universal vs. Existential #Existential #Statistical #Researcher #Disease #Procedure #Deduced #Replicate #Significant #Tentative #Hypothesis #Manishika #Examrace For IAS Psychology postal Course refer - http://www.examrace.com/IAS/IAS-Flexi... Research Methodology playlist -    • Research Methodology & Teaching Aptitude   More interesting topics subscribe at TestPrep:    / @testprep   NCERT, Yojana, Kurukshetra, Down to Earth, Science, Social Studies and More interesting topics subscribe at ExamraceHindi:    / examracehindi   For kids videos subscribe to FunProf:    / funprof   For Science Class 11-12 and important topics subscribe to DoorStepTutor:    / doorsteptutor   #examrace #upsc #ugcnet