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Research Methods- multiple choice exam questions Questions and Correct Answers the Latest Update

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What is a hypothesis? 1. The square root of the sum of squares of two shorter sides of a triangle. 2. A prediction made to test a theory. 3. A set of ideas that drive an area of research. 4. A reliability measurement. 5. A set of related statements that explains a variety of occurrences 2. ...

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  • November 12, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Research Method
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Research Methods- multiple choice exam
questions Questions and Correct Answers
the Latest Update
What is a hypothesis?




1. The square root of the sum of squares of two shorter sides of a triangle.

2. A prediction made to test a theory.

3. A set of ideas that drive an area of research.

4. A reliability measurement.

5. A set of related statements that explains a variety of occurrences

✓ 2. A prediction made to test a theory.



What is the difference between interval and ordinal variables?




1. The distance between points on the scale is equal across the range of interval data.

2. Ordinal data can be ordered, but interval data cannot.

3. Interval variables contain only two categories.

4. Ordinal variables have a fixed zero point, whereas interval variables do not.

5. Interval data can be ordered, but ordinal data cannot.

✓ 1. The distance between points on the scale is equal across the range of interval data.



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In an experimental design, the dependent variable is




1. The one that is not manipulated and in which any changes are observed.

2. The one that is manipulated in order to observe any effects on the other.

3. A measure of the extent to which personal values affect research.

4. An ambiguous concept whose meaning depends on how it is defined.

5. A variable that always systematically varies with the independent variable.

✓ 1. The one that is not manipulated and in which any changes are observed.



A researcher investigated the relationship between test length and grades in an Introductory

Psychology course. She conducted an experiment and found that students taking long exams

received better grades than students who took short exams. The independent variable was




1. short exams

2. test grades

3. class size

4. gender of student

5. length of test.

✓ 5. length of test.



What is reduced in a quasi-experiment that an experiment always has?


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1. Participants.

2. Control.

3. Confidence.

4. Number of observations.

5. Data.

✓ 2. Control.



Internal validity relates to




1. How much we can generalise the result to other situations.

2. How much we can generalise the result to other samples from the same population.

3. How good the data are.

4. How well the data agree with the experimental hypothesis.

5. How well the features of the experimental design allow us to relate the data to the

experimental question.

✓ 5. How well the features of the experimental design allow us to relate the data to the
experimental question.



A stratified sample is one in which




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