POM Exam 1 Questions with Verified
Solutions6
Standard score with m=50 and SD= 10 are called ___ - ANSWERS -t scores
A numerical summery of the relationship depicted in a bivarite distribution is called a -
ANSWERS -correlation co
Which of these correlation coefficcents indicates the weakest relationship - ANSWERS -r=.007
Which of these correlations indicates the strongest - ANSWERS --.79
Which is not one of the major sources of unreliability identified in the text - ANSWERS -format
Define mean, median and mode
what do they measure - ANSWERS -1. mean- add up all scores and divide by the number of
scores
2. median- middle score when scores are arranged from low to high
-the point in a distribution that divides the data into 2 groups having equal frequencies
3. mode- most frequently occurring number
-measures central tendency
What is a norm-referenced test - ANSWERS --interpretation of test scores in relation to how
groups of people performed
, -tests: general ability, range of ability, large groups, compares people to people, selects top
candidates
ex: IQ tests, standardized achievement tests
what is criterion referenced - ANSWERS --interpreting test performance in relation to a well
defined external criterion
-mastery, basic skills, prerequisites
-god for making sure you know what you need to know a certain skill
ex: drivers test, bar exam
What is the critical assumption about traits in psychological testing? - ANSWERS --people differ
in important traits
-traits potentially describe important aspects of a person
-we can quantify
- a reasonable degree of stability
-measures of traits relate to actual behavior
what are norms and how are they helpful? - ANSWERS --helps aid interpretation
-translate raw score into some type of normed score
What is a correlation coefficient? - ANSWERS --suggests the strength and magnitude of their
relationship
-range is 1 to -1
Solutions6
Standard score with m=50 and SD= 10 are called ___ - ANSWERS -t scores
A numerical summery of the relationship depicted in a bivarite distribution is called a -
ANSWERS -correlation co
Which of these correlation coefficcents indicates the weakest relationship - ANSWERS -r=.007
Which of these correlations indicates the strongest - ANSWERS --.79
Which is not one of the major sources of unreliability identified in the text - ANSWERS -format
Define mean, median and mode
what do they measure - ANSWERS -1. mean- add up all scores and divide by the number of
scores
2. median- middle score when scores are arranged from low to high
-the point in a distribution that divides the data into 2 groups having equal frequencies
3. mode- most frequently occurring number
-measures central tendency
What is a norm-referenced test - ANSWERS --interpretation of test scores in relation to how
groups of people performed
, -tests: general ability, range of ability, large groups, compares people to people, selects top
candidates
ex: IQ tests, standardized achievement tests
what is criterion referenced - ANSWERS --interpreting test performance in relation to a well
defined external criterion
-mastery, basic skills, prerequisites
-god for making sure you know what you need to know a certain skill
ex: drivers test, bar exam
What is the critical assumption about traits in psychological testing? - ANSWERS --people differ
in important traits
-traits potentially describe important aspects of a person
-we can quantify
- a reasonable degree of stability
-measures of traits relate to actual behavior
what are norms and how are they helpful? - ANSWERS --helps aid interpretation
-translate raw score into some type of normed score
What is a correlation coefficient? - ANSWERS --suggests the strength and magnitude of their
relationship
-range is 1 to -1
