A-AS Level (CIE) Psychology: Specimen Questions with Answers 84 - 85 of 299

Question 84

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How do you represent correlation coefficient (Marks 5)

Explanation

Representing the correlation coefficient as follows

  • Positive relationship which means “perfect”
  • No relationship exists
  • Correlation is stronger
  • - Strong negative relationship
  • - Correlation is strong

Question 85

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Study the following research questions and state the possible hypothesis and specify their types in your own words

  • Is physical attractiveness related to friendship? (Mark 2)
  • Does meaningful of material affect the rate of learning? (Mark 2)
  • Does reinforcement improve the learning for solving simple discrimination tasks? (Mark 2)
  • Does onset of fatigue reduce the efficiency of the worker? (Mark 2)

Explanation

  • Null hypothesis asserts that there is no difference between population means. For example there is no relationship between physical attractiveness and friendship, There is no relationship between reinforcement and improving the learning for solving simple discrimination tasks
  • Usually null hypothesis is denoted as
  • Alternative hypothesis specifies those values that are researcher believes to hold true and the researcher hopes that sample data will lead to acceptance of this hypothesis are true. For example there is a relationship between meaningful of material in affecting the rate of learning and there is a relationship between the onsets of fatigue in reducing the efficiency of a worker
  • Usually alternative hypothesis is denoted as

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