P.S
2023
IOP2601 Assessment 03 Complete Answers
Due: 19 September 2023 @ 23:00
Semester 2/ 2023
Organisational Research Methodology
, QUESTION ANSWERS
NUMBER
QUESTION 1
1.1. In her study, the research psychologists stated “There is no difference in memory
scores of patients diagnosed with depression and those who are not.” This is a typical
example of a/an null hypothesis.
P.G. 115 Study Guide
1.2. A test that allows us to assess differences between more than two group means and to
examine the effects of more than one independent variable is Analysis of Variance
(ANOVA).
P.G. 290 Textbook
1.3. A χ2 significant test (Chi-square significant test) is typically used to test for
association between two categorical variables.
P.G. 474 Textbook
1.4. A Null hypothesis is a negative statement about a possible difference between the
variables that you want to study.
P.G. 115 Study Guide
1.5. True= The single-sample t-test is used when you have a single set of scores and are
investigating whether the mean of this sample equals a known mean.
P.G. 159 Textbook
1.6. Type I error= The type of error that occurs when a researcher rejects a null hypothesis
that is actually true.
P.G. 268 Textbook
Page 1 of 7
2023
IOP2601 Assessment 03 Complete Answers
Due: 19 September 2023 @ 23:00
Semester 2/ 2023
Organisational Research Methodology
, QUESTION ANSWERS
NUMBER
QUESTION 1
1.1. In her study, the research psychologists stated “There is no difference in memory
scores of patients diagnosed with depression and those who are not.” This is a typical
example of a/an null hypothesis.
P.G. 115 Study Guide
1.2. A test that allows us to assess differences between more than two group means and to
examine the effects of more than one independent variable is Analysis of Variance
(ANOVA).
P.G. 290 Textbook
1.3. A χ2 significant test (Chi-square significant test) is typically used to test for
association between two categorical variables.
P.G. 474 Textbook
1.4. A Null hypothesis is a negative statement about a possible difference between the
variables that you want to study.
P.G. 115 Study Guide
1.5. True= The single-sample t-test is used when you have a single set of scores and are
investigating whether the mean of this sample equals a known mean.
P.G. 159 Textbook
1.6. Type I error= The type of error that occurs when a researcher rejects a null hypothesis
that is actually true.
P.G. 268 Textbook
Page 1 of 7
