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FRHD 3070 Midterm 2 Questions with
Detailed Verified Answers
Question: Define measurement
Ans✅ ✅: Sequences of steps or procedures that a researcher follows to obtain a
measurement
Question: What are 3 operational definitions of physical health
Ans✅ ✅: - sensing auras
- thermometer
- physician check-up
Question: What is the formula for observed score?
Ans✅ ✅: True score (how much knowledge exists within you) + systematic error
(constant) + random error
Question: You want to ______________ true score and ____________
error
Ans✅ ✅: Maximize; minimize
Question: What are the 3 components of a variable?
Ans✅ ✅: - construct of interest
- constructs of disinterest
- random errors
Question: Low levels of measurement = ?
High levels of measurement = ?
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Ans✅ ✅: Low = less sophistication
High = more sophistication
Question: Explain nominal measures. What is an example of a nominal
measurement?
Ans✅ ✅: Measures indicate only that there is a difference among categories
- brand of cigarettes you use
- religion
Question: Explain ordinal measures. Give an example.
Ans✅ ✅: Measures indicate only that there is a difference among categories and
they can be ranked/ordered
- labelling someone based on their answer = non-smoker, smoker, occasional, etc.
- attendance, letter grades
Question: Define interval measurements. What is an example of an
interval measurement?
Ans✅ ✅: Measures indicate everything that nominal and ordinal do and they can
specify the amount of distance between the categories
- number of cigarettes
- IQ score, temperature
Question: Explain ratio measures. Give an example.
Ans✅ ✅: There is a true 0, which makes it possible to state relations in terms of
proportion or ratios
- age, income, years of schooling
Question: No correlation is close to _______
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Ans✅ ✅: 0
Question: What is a positive correlation?
Ans✅ ✅: Both variables increase, or both variables decrease
Question: What is a negative correlation?
Ans✅ ✅: The variables move in opposite directions
Question: What is reliability?
Ans✅ ✅: Degree to which observed scores are free from errors of measurement
Question: What is the test-retest?
Ans✅ ✅: Looking at the stability of a concept over time (0.7)
- measuring people twice
Question: How do you inflate a high correlation?
Ans✅ ✅: Condense the time period
Question: What is split half reliability?
Ans✅ ✅: Split the questionnaire in half through computer software, and then
correlate them
Question: What is a common way to do split half reliability?
Ans✅ ✅: Odd vs. even (2,4,6 vs. 1,3,5)
Question: What is internal consistency reliability?
Ans✅ ✅: - item homogeneity
- Cronbach's alpha
- want at least 0.70
FRHD 3070 Midterm 2 Questions with
Detailed Verified Answers
Question: Define measurement
Ans✅ ✅: Sequences of steps or procedures that a researcher follows to obtain a
measurement
Question: What are 3 operational definitions of physical health
Ans✅ ✅: - sensing auras
- thermometer
- physician check-up
Question: What is the formula for observed score?
Ans✅ ✅: True score (how much knowledge exists within you) + systematic error
(constant) + random error
Question: You want to ______________ true score and ____________
error
Ans✅ ✅: Maximize; minimize
Question: What are the 3 components of a variable?
Ans✅ ✅: - construct of interest
- constructs of disinterest
- random errors
Question: Low levels of measurement = ?
High levels of measurement = ?
, Page | 2
Ans✅ ✅: Low = less sophistication
High = more sophistication
Question: Explain nominal measures. What is an example of a nominal
measurement?
Ans✅ ✅: Measures indicate only that there is a difference among categories
- brand of cigarettes you use
- religion
Question: Explain ordinal measures. Give an example.
Ans✅ ✅: Measures indicate only that there is a difference among categories and
they can be ranked/ordered
- labelling someone based on their answer = non-smoker, smoker, occasional, etc.
- attendance, letter grades
Question: Define interval measurements. What is an example of an
interval measurement?
Ans✅ ✅: Measures indicate everything that nominal and ordinal do and they can
specify the amount of distance between the categories
- number of cigarettes
- IQ score, temperature
Question: Explain ratio measures. Give an example.
Ans✅ ✅: There is a true 0, which makes it possible to state relations in terms of
proportion or ratios
- age, income, years of schooling
Question: No correlation is close to _______
, Page | 3
Ans✅ ✅: 0
Question: What is a positive correlation?
Ans✅ ✅: Both variables increase, or both variables decrease
Question: What is a negative correlation?
Ans✅ ✅: The variables move in opposite directions
Question: What is reliability?
Ans✅ ✅: Degree to which observed scores are free from errors of measurement
Question: What is the test-retest?
Ans✅ ✅: Looking at the stability of a concept over time (0.7)
- measuring people twice
Question: How do you inflate a high correlation?
Ans✅ ✅: Condense the time period
Question: What is split half reliability?
Ans✅ ✅: Split the questionnaire in half through computer software, and then
correlate them
Question: What is a common way to do split half reliability?
Ans✅ ✅: Odd vs. even (2,4,6 vs. 1,3,5)
Question: What is internal consistency reliability?
Ans✅ ✅: - item homogeneity
- Cronbach's alpha
- want at least 0.70
