Questions and CORRECT Answers
Steps involved in doing scientific research - CORRECT ANSWER -Question
-Hypothesis
-Research design
-Measurement
-Analysis
-Interpretation
-Reporting
Measurement - CORRECT ANSWER assignment of numbers to people, behaviors, objects, events,
etc.
Researchers have to systematically observe phenomena by collecting data and this requires (good)
measurement
Accurate, objective measurement is the cornerstone of all science including psychology
Common measures - CORRECT ANSWER -Self report measures
-Observational measures
-Physiological measures
Self report measures - CORRECT ANSWER Operationalizes a variable by recording people's
answers to questions about it
-Beck depression inventory (bad measure for older adults), NEO five factor inventory
Observational measures - CORRECT ANSWER Operationalizes a variable by recording observable
behavior or its physical traces
-Aggression, helping behaviors, paths, worn books
, Physiological measures - CORRECT ANSWER Operationalizes a variable by recording biological
data such as brain activity, hormone levels, or heartrate
-GSR, EMG, EEG, fMRI
Variability - CORRECT ANSWER refers to how measurements vary across individuals, situations,
and time
Psychology is the study of? - CORRECT ANSWER behavioral, cognitive, and emotional
variability
Research questions are questions about? - CORRECT ANSWER variability
Measurement error - CORRECT ANSWER Was the measure a good measure?
Measurement error + true score= observed score
Five categories of measurement error - CORRECT ANSWER 1. Stable attributes
2. Transient states
3. Situational factors
4. Measure features
5. Scoring errors
Stable attributes - CORRECT ANSWER consistent; always true, ex. test anxiety
Transient states - CORRECT ANSWER effect you in here and now; will go away, ex. hunger,
sickness
Situational factors - CORRECT ANSWER environment may exert influence, ex. lights, talking,
comfortability