hypotheses

• what is an aim?

  describes purpose of investigation
• what is hypothesis??

  a prediction, precise & testable statement of the relationship between 2 variables
• tips when writing a hypothesis?

  never use past tense

  always include the alternative to the iv (how you are going to change it)
• name 2 types of hypotheses?

  1. alternative
  2. null
• explain alternative hypothesis?

  states that there is a significant difference/relationship between 2 variables

  aka experimental hypothesis
• explain null hypothesis?

  based on the assumption that there is no difference/relationship between 2 variables
• what is a directional one tailed hypothesis?

  making a specific prediction when there is already previous research
• what is a non directional two tailed hypothesis?

  • predicts that there will be a difference between 2 variables with no state of direction
  • use this when studying a new/under researched phenomenon
  • vague prediction
• starter for directional/one tailed?

  • participants who...
• starter for non directional/two tailed?

  • there will be a difference