18 Oct Jane is finalizing the design of her thesis project on the effects of exercise on depression in older adults.

Question 1Height in inches is a(n) _____ scale variable.

nominal

 

ordinal

 

 interval

 

ratio

 

Question 2Jane is finalizing the design of her thesis project on the effects of exercise on depression in older adults.  She has decided to use the score on the 10 item depression scale to specify whether her participants are depressed and the score from a 30 item fitness scale to assess fitness levels.  Which stage of the research process has she just completed?

 

explanation

 

literature review

 

measurement

 

operationalization

 

Question 3A researcher is testing out a new personality assessment to determine a participant’s personality type.  She shows that scores from her new measure are unrelated to measures of mood and cognitive ability.  She has demonstrated that her new assessment has _____ validity.

 

concurrent

 

criterion

 

discriminant

 

face

 

Question 4The Law School Admissions Test (LSAT) is given to students seeking admission to law school.  If those who score high on the LSAT ultimately have higher grades in law school, while those with lower scores have lower grades, the LSAT is said to have _____.

 

concurrent validity

 

face validity

 

predictive validity

 

test-retest reliability

 

Question 5Letter grades would be on a(n) _____ scale.

 

nominal

 

ordinal

 

interval

 

ratio

 

Question 6A graduate student at Large State University has begun data collection for a thesis project in which he is asking students about their use of social networking websites.  His primary interest is in determining how often students use these sites, in what ways and if there are differences across majors.  What type of research design is this student using?

 

correlational

 

descriptive

 

experimental

 

physiological

 

Question 7Weight in pounds is a(n) _____ scale variable.

 

nominal

 

ordinal

 

interval

 

ratio

 

Question 8A political party variable would be measured on a(n) _____ scale.

 

nominal

 

ordinal

 

interval

 

ratio

 

Question 9The _____ is the statistic representing the probability that our results are due to random chance.

 

alpha level

 

p-value

 

Tukey’s Honestly Significant Difference

 

Student’s t-test

 

Question 10A(n) ______________ is a specific and falsifiable statement about the relationship between two or more variables.

 

correlation

 

hypothesis

 

observation

 

operational definition