Experimental Method

• What is the Experimental Method


  Involves the manipulation of an independent variable (IV) to measure the effect on the Dependent Variable (DV)
• What is an Aim?


  A general statement of what the researcher intends to investigate, the purpose of the study.
• What is a Hypothesis?


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


  States the direction of the difference or relationship.
• What is a Non-directional hypothesis?


  Does not state the direction of the difference or relationship.
• What are variables?


  Any 'thing' that can vary or change within an investigation.
• What is the Independent variable?


  The aspect of the research that is manipulated by the researcher or is changed naturally so the effect on the DV can be measured.
• What is the dependent variable?


  The variable that is measured by the researcher.
• What is operationalisation?


  Clearly defining variables in terms of how they can be measured.