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 14/06/2024, 20:13 Assessment 2 (page 1 of 15)

 Question 1 Choose the most correct option. The item discrimination index and the item-total
 Not yet answered correlation are measures of …
 Marked out of
1.00 the predictive value of an item

 Flag question differential item functioning D
 the frequency of choosing the correct response to an item

the extent to which an item measures the same aspect as the total test

 Clear my choice




Saved Photos





























,14/06/2024, 20:13 Assessment 2 (page 2 of 15)
Question 2 English- and Xhosa-speaking children identified as having similar numerical abilities are
Not yet answered assessed using an English and Xhosa version of the Mathematical Aptitude Test
respectively. If the two language versions of the test are equivalent it means that …
Marked out of
1.00
c
Flag question Xhosa speakers will obtain similar scores on both language versions of the test.
both versions have exactly the same items just translated in different languages.
both groups will obtain similar scores on their respective versions.
the test scores of individuals from the two groups cannot be directly compared.
,14/06/2024, 20:14 Assessment 2 (page 3 of 15)
Question 3 Foxcroft (2004) provides guidelines for the development of a multicultural test (please
Not yet answered see study note 3 under additional resources on myUnisa). She distinguishes between
three approaches, namely theory-based/rational, empirical (criterion-keying), and
Marked out of
1.00
criterion-referenced methods.
Flag question A study was done to determine the effects of substance abuse on the well-being of users
of various addictive substances. Before starting the research, a measure of well-being
was developed for a large sample representative of the general population. Existing data
on levels of happiness that were available for this sample were used. Items for the well-
being scale were selected based on the ability of the items to discriminate between
individuals with different levels of happiness. The content domain of the measure of
well-being was thus defined by means of …
an analysis of learning outcomes
contrasting group
a theoretical review
B
a job analysis
, 14/06/2024, 20:14 Assessment 2 (page 4 of 15)
Question 4 Advantages of a measure of intelligence based on the psychometric approach would be
Not yet answered that …
(a) it measures individual differences in inferred traits such as intelligence
Marked out of
1.00
(b) it assesses developing skills required by one’s particular environment
(c) it minimises the influence of differences in formal education
Flag question (d) a combination of power and timed tests is appropriate in the local context
(e) performance on these tests tends to correlate well with academic performance
(f) it provides a comprehensive profile of abilities
0 (a) (c) (d)
A B
0 (a) (e) (f)
(c) (d) (f)
not so sure
(b) (d) (e)
choose
But I will likely
B
 14/06/2024, 20:13 Assessment 2 (page 1 of 15)

 Question 1 Choose the most correct option. The item discrimination index and the item-total
 Not yet answered correlation are measures of …
 Marked out of
1.00 the predictive value of an item

 Flag question differential item functioning D
 the frequency of choosing the correct response to an item

the extent to which an item measures the same aspect as the total test

 Clear my choice




Saved Photos





























,14/06/2024, 20:13 Assessment 2 (page 2 of 15)
Question 2 English- and Xhosa-speaking children identified as having similar numerical abilities are
Not yet answered assessed using an English and Xhosa version of the Mathematical Aptitude Test
respectively. If the two language versions of the test are equivalent it means that …
Marked out of
1.00
c
Flag question Xhosa speakers will obtain similar scores on both language versions of the test.
both versions have exactly the same items just translated in different languages.
both groups will obtain similar scores on their respective versions.
the test scores of individuals from the two groups cannot be directly compared.
,14/06/2024, 20:14 Assessment 2 (page 3 of 15)
Question 3 Foxcroft (2004) provides guidelines for the development of a multicultural test (please
Not yet answered see study note 3 under additional resources on myUnisa). She distinguishes between
three approaches, namely theory-based/rational, empirical (criterion-keying), and
Marked out of
1.00
criterion-referenced methods.
Flag question A study was done to determine the effects of substance abuse on the well-being of users
of various addictive substances. Before starting the research, a measure of well-being
was developed for a large sample representative of the general population. Existing data
on levels of happiness that were available for this sample were used. Items for the well-
being scale were selected based on the ability of the items to discriminate between
individuals with different levels of happiness. The content domain of the measure of
well-being was thus defined by means of …
an analysis of learning outcomes
contrasting group
a theoretical review
B
a job analysis
, 14/06/2024, 20:14 Assessment 2 (page 4 of 15)
Question 4 Advantages of a measure of intelligence based on the psychometric approach would be
Not yet answered that …
(a) it measures individual differences in inferred traits such as intelligence
Marked out of
1.00
(b) it assesses developing skills required by one’s particular environment
(c) it minimises the influence of differences in formal education
Flag question (d) a combination of power and timed tests is appropriate in the local context
(e) performance on these tests tends to correlate well with academic performance
(f) it provides a comprehensive profile of abilities
0 (a) (c) (d)
A B
0 (a) (e) (f)
(c) (d) (f)
not so sure
(b) (d) (e)
choose
But I will likely
B
