10/1/23, 10:13 PM Assessment 2
HMEMS80-23-S2 WELCOME TO HMEMS80, RESEARCH METHODOLOGY Assessment 2
QUIZ
Question 1
Not yet answered
Marked out of 1.00
21. Calculate the mean for the following data string: 2, 4, 6, 8, 10, 30.
a. 6
b. 20
c. 10
d. 60
Clear my choice
Question 2
Not yet answered
Marked out of 1.00
15. Test-retest reliability examines_________________.
a. consistency across raters
b. consistency over time
c. consistency between forms
d. the unidimensional nature of a set of items
Clear my choice
Question 3
Not yet answered
Marked out of 1.00
33. _____________is concerned with the authenticity of the data.
a. External criticism
b. Accuracy
c. Limitation
d. Reliability
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=13849439&cmid=623659 1/14
, 10/1/23, 10:13 PM Assessment 2
Question 4
Not yet answered
Marked out of 1.00
25. Students’ percentages on an assignment indicate how much the students mastered the content covered by the
assignment. This is an example of which scale?
a. Ratio scale, because percentages can be used to label students into pass and fail categories.
b. Ordinal scale, because percentages have a true zero value and can be used to rank the students.
c. Interval scale, because even if the students get a 0% it does not indicate a true zero.
d. Ratio scale, because a 0% means the student did not get any correct point in the assignment.
Clear my choice
Question 5
Not yet answered
Marked out of 1.00
30. ___________can be defined as changes over time, often caused by biological forces.
a. Selection
b. Regression
c. Maturation
d. Instrumentation
Clear my choice
Question 6
Not yet answered
Marked out of 1.00
7. Basic research is research that _________________.
a. has no immediate application at the time it is completed
b. is conducted to solve practical problems
c. has Immediate application at the time it is completed
d. is designed to answer specific questions
Clear my choice
Question 7
Not yet answered
Marked out of 1.00
36. Content validity measures how well ______.
a. a test estimates a criterion
b. a test assesses some underlying construct
c. the items represent the entire universe of items
d. a test predicts a criterion
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=13849439&cmid=623659 2/14
HMEMS80-23-S2 WELCOME TO HMEMS80, RESEARCH METHODOLOGY Assessment 2
QUIZ
Question 1
Not yet answered
Marked out of 1.00
21. Calculate the mean for the following data string: 2, 4, 6, 8, 10, 30.
a. 6
b. 20
c. 10
d. 60
Clear my choice
Question 2
Not yet answered
Marked out of 1.00
15. Test-retest reliability examines_________________.
a. consistency across raters
b. consistency over time
c. consistency between forms
d. the unidimensional nature of a set of items
Clear my choice
Question 3
Not yet answered
Marked out of 1.00
33. _____________is concerned with the authenticity of the data.
a. External criticism
b. Accuracy
c. Limitation
d. Reliability
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=13849439&cmid=623659 1/14
, 10/1/23, 10:13 PM Assessment 2
Question 4
Not yet answered
Marked out of 1.00
25. Students’ percentages on an assignment indicate how much the students mastered the content covered by the
assignment. This is an example of which scale?
a. Ratio scale, because percentages can be used to label students into pass and fail categories.
b. Ordinal scale, because percentages have a true zero value and can be used to rank the students.
c. Interval scale, because even if the students get a 0% it does not indicate a true zero.
d. Ratio scale, because a 0% means the student did not get any correct point in the assignment.
Clear my choice
Question 5
Not yet answered
Marked out of 1.00
30. ___________can be defined as changes over time, often caused by biological forces.
a. Selection
b. Regression
c. Maturation
d. Instrumentation
Clear my choice
Question 6
Not yet answered
Marked out of 1.00
7. Basic research is research that _________________.
a. has no immediate application at the time it is completed
b. is conducted to solve practical problems
c. has Immediate application at the time it is completed
d. is designed to answer specific questions
Clear my choice
Question 7
Not yet answered
Marked out of 1.00
36. Content validity measures how well ______.
a. a test estimates a criterion
b. a test assesses some underlying construct
c. the items represent the entire universe of items
d. a test predicts a criterion
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=13849439&cmid=623659 2/14
