Measurement in Psychology

What is the purpose of operationalizing variables in research?

• To measure the reliability of the variables

• To measure the validity of the variables

• To ensure consistency in the measurement of variables

• To convert conceptual variables into measurable variables

Which of the following is an example of operationalizing the variable 'gratitude towards one's relationship partner'?

• Asking people if they agree with the statement, 'I appreciate my partner.'

• Watching couples interact and counting how many times they thank each other.

• Asking people to report on a survey whether they identify as male, female or nonbinary.

• In phone interviews, a researcher guesses gender through the sound of the person's voice.

What type of variable is 'gender identity'?

• Categorical

• Quantitative

• Ordinal

• Interval

Which type of scale represents a quantitative variable in which numerals represent a rank order?

• Ordinal scale

• Interval scale

• Ratio scale

• Categorical scale

What type of reliability refers to the consistency of scores obtained from the same measure administered at different times?

• Test-retest reliability

• Interrater reliability

• Internal reliability

• Cronbach's alpha

Which type of validity assesses whether a measure looks like a good measure of the construct it is intended to measure?

• Face validity

• Content validity

• Criterion validity

• Convergent validity

What type of validity examines whether a measure correlates with other measures that it should theoretically be related to?

• Face validity

• Content validity

• Criterion validity

• Convergent validity

What is the relationship between reliability and validity?

• Reliability is necessary but not sufficient for validity

• Validity is necessary but not sufficient for reliability

• Reliability and validity are the same thing

• Reliability and validity are unrelated

Which type of measure involves self-reporting by individuals?

• Self-report measure

• Observational measure

• Physiological measure

• Interval scale

What type of variable is 'wealth'?

• Categorical

• Quantitative

• Ordinal

• Interval