Identify the levels of measurement for the following:
- Political survey asks respondents their political views (conservative, moderate, liberal)
- Students in an elementary school are asked to list their heights (in inches) and the color of their eyes.
- Respondents are asked to check a list of foods they prefer to eat.
click here for a short quiz on levels of measurement
Identify the type of reliability and validity:
- Two different versions of the same achievement test are used and found to be essentially equivalent.
- Three interviewers ask a job applicant the same set of questions, then compare notes to see how consistent they are in their assessment of the candidate.
- To check your eyesight, you go for an eye exam and return one week later to take the same eye test again.
- High school grades are correlated several years later to college grades to see how accurate they are in evaluating potential applicants to the university.
- To what extent does a measure given by the employment office accurately assess the personality traits required to be a good manager in that firm.
Levels of measurement
- Ratio & Nominal
Reliability & Validity
- Parallel forms reliability
- Interrater reliability
- Test-Retest reliability
- Predictive (criterion) validity
- Construct validity