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Types of hypotheses


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Types of hypotheses

  1. 1. Types of Hypotheses Directional Hypotheses. Non Directional Hypotheses.
  2. 2. DIRECTIONAL HYPOTHESIS  The hypothesis which stipulates the direction of the expected differences or relationship.  Directional hypothesis is a statement of conjuncture where the two variables of the study are expressed as having some relationship in a certain direction. Example; There will be a positive relationship between extra coaching and academic achievement.
  3. 3. NON DIRECTIONAL HYPOTHESIS  A research hypothesis which does not specify the direction of expected difference or relationships is a non directional research hypothesis.  In this case the difference can be in any direction. Example; There will be a difference in adaptability of fathers and mothers towards rearing of their children.
  4. 4. On the basis of types Declarative hypothesis Null hypothesis Question form Prediction form
  5. 5. Declarative Form  It generally states a relationship between the variables concerned.  When the researcher makes a positive statement about the outcome if the study, the hypothesis takes the declarative form.  Example;There will be a significant difference in the instructional standards of boys and girls in schools.
  6. 6. Null Hypotheses  The null hypothesis is the negative statement.  It states that no significant difference exists between the variables concerned.  Null Hypothesis can be tested statistically. So it is termed as statistical hypothesis.  When declarative hypothesis tested statistically by converting them to null form they are also called testing hypothesis.
  7. 7. Question Form Hypotheses  Researcher having finalized their problem of research, raise certain questions which must be answered through their research.  Research questions are generally called interrogative hypothesis.
  8. 8. Alternative Hypotheses  It is one in which a difference between two or more variables is anticipated by the researcher.  It can be non directional or directional.
  9. 9. Predication Form Hypotheses  It is chosen because it allows the research worker to state principles which he actually expects to emerge from the experiment.  It is more useful action research studies.
  10. 10. Thank You