IPIP-HEXACO
Inquisitiveness
A public-domain personality facet scoring engine
Instructions: For each statement, select the response that best describes how accurately it reflects your typical behavior and attitudes. There are no right or wrong answers. Respond as honestly as possible for the most informative academic baseline.
Scale: 1 = Very Inaccurate · 2 = Moderately Inaccurate · 3 = Neither · 4 = Moderately Accurate · 5 = Very Accurate
Your Inquisitiveness Profile
IPIP-HEXACO · Ashton, Lee & Goldberg (2007) · Public Domain
Facet Interpretation
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Academic Citation
Ashton, M. C., Lee, K., & Goldberg, L. R. (2007). The IPIP–HEXACO scales: An alternative, public-domain measure of the personality constructs in the HEXACO model. Personality and Individual Differences, 42, 1515–1526. doi.org/10.1016/j.paid.2007.02.003
About the IPIP-HEXACO Inquisitiveness Scale (O-Inqu)
The IPIP-HEXACO Inquisitiveness scale (O:Inqu) is a public-domain personality instrument from the International Personality Item Pool by Ashton, Lee, and Goldberg (2007). Inquisitiveness is the second facet of the Openness to Experience dimension and measures intellectual curiosity — the stable dispositional tendency to seek out and explore new information across diverse knowledge domains including science, history, politics, and challenging reading material.
Items assess interest in science, exploration drive, intellectual gaming enjoyment, challenging reading, political discussion interest, vocabulary richness, and their low-curiosity counterparts. The alpha of .78 is solid. Research demonstrates strong convergent validity with the Need for Cognition Scale while the IPIP version provides unrestricted public access. Inquisitiveness specifically predicts breadth of knowledge acquisition, reading volume, and engagement with formal and informal learning opportunities above and beyond NCS predictions.
Inquisitiveness vs. Need for Cognition Scale (NCS): Key Differences
| Feature | IPIP-HEXACO Inquisitiveness (O-Inqu) | Need for Cognition Scale (NCS) |
|---|---|---|
| Core Construct | Intellectual curiosity & learning drive | Engagement in effortful thinking |
| Item Count | 10 items (IPIP-HEXACO) | 18 items (full NCS) |
| Access | Public domain — free any use | Academic research use |
| Alpha Reliability | .78 (Ashton et al., 2007) | ~.88 (Cacioppo & Petty) |
Facet Position Within the HEXACO Model
The Inquisitiveness facet (O-Inqu) is one of four facets within the Openness to Experience (O) dimension of the six-factor HEXACO personality model developed by Michael Ashton and Kibeom Lee. Unlike the Big Five framework, HEXACO adds a sixth dimension — Honesty-Humility — capturing variance in sincere, fair, modest, and non-materialistic behavior that the five-factor model distributes across Agreeableness and Conscientiousness. The IPIP representation of this facet, developed in collaboration with Lewis Goldberg and the International Personality Item Pool project, provides researchers with an openly licensed operationalization that achieves internal consistency (alpha = .78) comparable to the proprietary HEXACO-PI-R while remaining entirely free for academic, organizational, and educational deployment.
Research and Applied Utility
Researchers and students in personality psychology, organizational behavior, and educational research regularly use the IPIP-HEXACO facet scales as targeted instruments for hypothesis testing, survey battery supplementation, and educational self-reflection activities. Because the IPIP scales are public domain, they may be embedded in any survey platform, online tool, or research system without licensing restrictions. The Inquisitiveness (O-Inqu) scale specifically provides a standardized academic baseline for the inquisitiveness construct within the Openness to Experience domain, enabling comparison with published normative data from the Ashton, Lee, and Goldberg (2007) validation study. The scale has been applied in cross-cultural research across more than 35 countries, providing researchers with substantial normative reference material.
Frequently Asked Questions — Inquisitiveness Scale (O-Inqu)
Is intellectual curiosity actually trainable, or is it something you are born with?
The research on this is more optimistic than the folk-psychology version. While inquisitiveness does have a heritable component like all stable personality traits, it shows meaningful responsiveness to environmental factors throughout the lifespan. Educational environments that reward question-asking, autonomous exploration, and genuine intellectual engagement over grade performance show reliable associations with higher measured inquisitiveness. The trait is not fixed — it responds to the quality of intellectual invitation it receives.
Why do some highly curious people still believe misinformation despite consuming lots of information?
This is one of the more counterintuitive findings in misinformation research. General intellectual curiosity does not reliably protect against false beliefs — in some studies, highly curious individuals who seek out information more voraciously are exposed to more misinformation. What does protect is a specific subtype called epistemic curiosity — an interest in being right, not just in knowing more — combined with lateral reading skills that check claims across sources rather than going deep on a single confirming source.
Does the difference between someone who reads widely and someone who just scrolls endlessly show up on inquisitiveness scores?
The research suggests yes, with important nuances. Deep reading and purposeful information-seeking predict higher inquisitiveness scores. Passive scrolling — consuming information without active engagement, evaluation, or retention — shows much weaker association with inquisitiveness as a trait. The difference is not time spent with information; it is the cognitive stance toward it — whether the individual is actively interrogating and connecting what they encounter, or simply experiencing content as a stream.
Can a highly inquisitive person be genuinely bored at school or work?
Consistently, yes — and the mechanism is well-documented. Highly inquisitive individuals need genuine intellectual challenge and autonomy to sustain engagement. Highly structured, repetitive, or intellectually shallow environments are experienced as genuinely aversive. Research on gifted education and high-curiosity employees shows higher rates of disengagement and underperformance in under-challenging environments — not from lack of ability, but from withdrawal of a trait that requires appropriate stimulation to activate.
Does this inquisitiveness profile replace a formal intelligence or learning style assessment?
No. The IPIP-HEXACO Inquisitiveness scoring engine is a self-reflection worksheet for educational and academic baseline purposes only. It does not assess cognitive ability, academic potential, or learning preferences, and produces no formal conclusions about individual intellectual capacity. Formal evaluation of intellectual ability or learning characteristics requires a qualified professional and appropriate validated instruments.