Research Methods
Using pages 9-25 in your Psychology Textbook, complete the following activities.
1. For each of the following examples, indicate if the data is Quantitative (Qn) or Qualitative (Ql).
The documentary was short _________
The shoe is 30cm long ___________
The cup weighed 300grams _________
Sam had an IQ of 105 ___________
The building was tall
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The temperature was 25°C _______
The day was hot and windy _________
The race was over quickly ________
2. Write a brief description of each of the following types of research.
Case studies
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Naturalistic Observation
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Surveys
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Questionnaires
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Interviews
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Rating Scales
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Standardised Tests
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Non-Standardised Tests
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Longitudinal Studies
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Twin and Adoption Studies
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Correlational Studies
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3. What are descriptive statistics?
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4. Calculate the mean, median and mode of the following tests scores out of 100, gained by a class of psychology
students on a research methods test:
100, 100, 19, 80, 97, 65, 88, 38, 74, 77, 65, 69, 65, 79, 88, 91, 65, 49, 59, 99, 89, 48, 28, 74, 84, 57, 62, 77, 29, 73
Mean = __________
Median = ___________
Mode = ___________
5. Using the scores below, fill in the frequency distribution table.
11, 59, 88, 85, 57, 13, 62, 89, 84, 57, 19, 64, 89, 80, 55, 28, 65, 91, 79, 49, 65, 29, 97, 48, 77, 37, 69, 99, 38, 74
Frequency Distribution Table
Interval
Frequency
0-19
20-39
40-59
60-79
80-99
Total
Present this data in the form of a histogram or polygon.
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6. What is a normal distribution?
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7. Draw a graph of: a normal distribution, bimodal distribution, positively skewed distribution and negatively skewed
distribution.
8. Complete activity 1.7 in the Student Activity Manual (page 17).
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