hypotheses

• What is a hypothesis?

  A clear, precise, testable statement that states the relationship between the variables to be investigated.
• What is operationalisation?


  Clearly defining variables in terms of how they can be measured
• What are two types of hypothesis?

  Directional and non-directional
• What are directional hypotheses also known as?

  One-tailed
• What are non-directional hypotheses also known as?

  Two-tailed
• When do we use a directional hypothesis?

  When there has been previous research
• When do we use a non-directional hypothesis?

  When there has been no previous research or previous research is contradictory
• What is the difference between a hypothesis for an experiment and a hypothesis for a correlation?

  A hypothesis for an experiment states a difference whereas a hypothesis for a correlation states a relationship