Ch. 5: PSYCH 270 questions with
complete solutions graded A+
Define measurement and give several examples?
The assignment of scores that represent some characteristic of
the individuals
Explain what a psychological construct?
Constructs: Personality traits, emotional states, attitudes, abilities (all abstract,
non-tangible, not observable directly), represent tendencies to think, feel, or act
in certain ways
Distinguish conceptual from operational definitions, give examples, create simple operational
definitions?
Definition of a variable in terms of how precisely it is to be measured
• Self-report: Participants report their own feelings, thoughts, actions
• Other-report: Similar to self-report, but about someone else
• Behavioral: Observe and record (structured or natural)
• Physiological measures: Body processes (heart rate, hormones, etc.)
Distinguish the 4 levels of measurement?
- Nominal: Categorical variables with labels
- Ordinal: Rank order of individuals
- Interval: Assigning scores using numerical scales where the intervals have
complete solutions graded A+
Define measurement and give several examples?
The assignment of scores that represent some characteristic of
the individuals
Explain what a psychological construct?
Constructs: Personality traits, emotional states, attitudes, abilities (all abstract,
non-tangible, not observable directly), represent tendencies to think, feel, or act
in certain ways
Distinguish conceptual from operational definitions, give examples, create simple operational
definitions?
Definition of a variable in terms of how precisely it is to be measured
• Self-report: Participants report their own feelings, thoughts, actions
• Other-report: Similar to self-report, but about someone else
• Behavioral: Observe and record (structured or natural)
• Physiological measures: Body processes (heart rate, hormones, etc.)
Distinguish the 4 levels of measurement?
- Nominal: Categorical variables with labels
- Ordinal: Rank order of individuals
- Interval: Assigning scores using numerical scales where the intervals have
