A01

• What is the theory regarding energy drinks and talkativeness?

  Energy drinks increase alertness, making people talkative.
• What substances in energy drinks are believed to affect talkativeness?

  Sugar and caffeine
• What is the aim of the investigation regarding SpeedUpp?

  To investigate if energy drinks increase talkativeness.
• How are aims developed in psychological research?

  Aims are developed from theories.
• What is a hypothesis in the context of research?

  A statement describing the relationship between variables.
• What is the hypothesis formulated for the investigation?

  Drinking SpeedUpp causes people to become more talkative.
• What distinguishes a directional hypothesis from a non-directional hypothesis?

  A directional hypothesis specifies the expected difference.
• What type of hypothesis is used when previous research suggests a particular outcome?

  Directional hypothesis
• What is the experimental method used in the investigation?

  • Gather two groups of participants
  • One group drinks SpeedUpp
  • Other group drinks water
  • Record words spoken in five minutes
• Why do researchers choose a directional hypothesis in this study?

  Previous research suggests caffeine and sugar increase talkativeness.
• What is the purpose of recording the number of words spoken?

  To measure the effect of the drink on talkativeness.
• What is the main limitation mentioned about the experiment design?

  It is not considered a 'good' experiment.