| open_cat | R Documentation |
Cat object containing item parameters for graded response model fit with responses to the 20-item Openness dimension of the 100-item IPIP representation of Costa and McCrae's Five Factor Model
data(open_cat)
An object of class Cat of length 1.
Cat object containing item parameters for graded response model fit with 774,410 response profiles by myPersonality Project and 1500 response profiles collected by YouGov in June 2018. The sample from myPersonality Project was a convenience sample, and the respondents from YouGov were matched to a sampling frame on gender, age, race, and education.
See Cat-class for details regarding the Cat object structure.
See grmCat for details regarding the graded response model.
A normal prior was chosen with mean from the theta estimates from the YouGov sample (-.674) and a standard deviation (1.2) wide enough to envelope the range of estimated theta values across both samples.
Note that due to how the item parameters were estimated, large, positive values indicate "more" of the latent trait.
Response options are 1=Very inaccurate; 2=Moderately inaccurate; 3=Neither inaccurate nor accurate; 4=Moderately accurate; 5=Very accurate.
The wording of the question items:
I...
q91Believe in the importance of art.
q1Have a vivid imagination.
q51Tend to vote for liberal political candidates.
q41Carry the conversation to a higher level.
q61Enjoy hearing new ideas.
q31Enjoy thinking about things.
q21Can say things beautifully.
q16Enjoy wild flights of fantasy.
q81Get excited by new ideas.
q71Have a rich vocabulary.
q24Am not interested in abstract ideas.
q74Do not like art.
q7Avoid philosophical discussions.
q34Do not enjoy going to art museums.
q44Tend to vote for conservative political candidates.
q4Do not like poetry.
q94Rarely look for a deeper meaning in things.
q84Believe that too much tax money goes to support artists.
q54Am not interested in theoretical discussions.
q64Have difficulty understanding abstract ideas.
See https://dataverse.harvard.edu/dataverse/pdsl for the raw YouGov and/or Qualtrics data.
Costa, P. T., Jr., & McCrae, R. R. (1992). Revised NEO Personality Inventory (NEO PI-R) and NEO Five-Factor Inventory (NEO-FFI): Professional manual. Odessa, FL: Psychological Assessment Resources.
Stillwell, David, and Michal Kosinski. 2007. "myPersonality Project." https://sites.google.com/michalkosinski.com/mypersonality
Cat-class, grmCat
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