Hypothesises

• What is a hypothesis?

  A precise, testable statement predicting study outcomes
• What does a hypothesis involve?

  Independent and dependent variables
• How can a hypothesis vary in an investigation?

  It can change based on the study's focus
• What is a null hypothesis?

  A prediction that no effect will be found
• What does a null hypothesis require from the researcher?

  To imagine minimal effect of the variable
• What is an alternative hypothesis?

  A prediction based on expected outcomes and theories
• When is a directional hypothesis used?

  When a theory makes a clear claim
• When is a non-directional hypothesis used?

  When the theory is unclear or evidence is mixed
• What is an experimental hypothesis?

  A hypothesis used in lab or field experiments
• What are the types of hypotheses mentioned?

  • Null hypothesis
  • Alternative hypothesis
  • Directional hypothesis
  • Non-directional hypothesis
  • Experimental hypothesis