• Home
  • The University of British Columbia
  • Research Methods
  • Measurement Scales and Validity in Research Methods

Measurement Scales and Validity in Research Methods

PSYO 270 - Midterm #2 SL Practice Exam SL 1.5 hours MC: 51 (1 mark each) SA: 49 (marks) Total: 100 marks 2 Multiple Choice Questions (1 Point each) 1) Fred, Daphne, Velma, Scooby and Shaggy are using a survey to evaluate students' well- being on Spooky Island after reports of odd/erratic behaviour. They are using a scale with four different points on it. Students can choose from lowest to highest whether they are feeling "1- Zoinks", "2- Jinkies", "3 -Jeepers", or "4- Ruh-Roh". What kind of a scale is Mystery Inc. using? a. nominal b. ordinal c. interval d. ration 2) Kim is a constable in the RCMP. In her research she's noticed that there are more and more young people drinking and driving, especially on Halloween. One October night, Kim's sergeant asks her to put all of her blood-alcohol content data from reported DUI arrests within the past year onto a quantitative scale. What kind of scale would Kim be using? a. nominal b. ordinal c. interval d. ratio 3) What is true about the ratio quantitative scale? a. It needs to have a true zero but does not need to have equal intervals b. It doesn't need a true zero nor equal intervals c. It needs to have a true zero and needs to have equal intervals d. It doesn't need a true zero but it does need to have equal intervals 3.5) Jack Skellington is passing out surveys at Halloween Town to conduct psychometric evaluations of his residents' overall satisfaction with organizing Halloween. There are five questions on the satisfaction scale. When analyzing the data, Jack sees that residents didn't give the same answer for every question, but that their answers correlated with the others that they gave. What kind of reliability does this indicate? a. interrater reliability b. internal reliability c. test-retest reliability d. none of the above 4) Rosemary takes her baby's schooling very seriously. She wants her baby to go to the BEST preschool in the world. They require the baby to write an intro to preschool exam. They also ask Rosemary to submit any rewards the baby has received and a reference from their Day Care. The preschool tells Rosemary that they will also test her child halfway through the school year. What criterion variable are they looking at? a. concurrent validity b. predictive validity c. criterion validity 3 d. content validity e. If Rosemary's baby is actually Satan 5) Which of the following is true? a. concurrent validity is the measure that indicates that all parts of your theory are actually contained b. criterion validity is that the measure correlates with other similar measures c. we need validly in order to have reliability d. we need reliability in order to have validity e. two of the above are true f. none of the above are true 6) Cam is really passionate about mental health, specifically, she'd like to learn more about - and conduct a study on - depression. Why could