Articles — Understanding Sociosexuality & the SOI-R
In-depth, citation-backed guides on sociosexual orientation — what it is, how the validated SOI-R measures it, and what decades of research reveal about desire, attraction, jealousy, and commitment.
Sociosexuality and Openness to Experience
How openness relates to attitudes about uncommitted sex.
Sociosexuality and Extraversion
Why more extraverted people sometimes score more unrestricted, and why it is not a rule.
Sociosexuality and the Big Five Traits
How sociosexual orientation tends to relate to extraversion, openness, and conscientiousness.
Why Men and Women Differ in Sociosexuality
The leading explanations — evolutionary and social — for the average sex difference.
Sociosexuality and Gender Equality
A counterintuitive cross-cultural pattern: where the sexes are more equal, sociosexuality patterns can shift.
Sociosexuality Across Cultures
What a 48-nation study suggested about how culture shapes sociosexual orientation.
How Much Do Men and Women Overlap in Sociosexuality?
The average sex difference is real but the overlap is large — here is what that means for any individual.
The SOI-R in Research vs. Online Quizzes
How the validated SOI-R differs from casual personality quizzes you find online.
SOI-R vs. Attachment Style Quizzes
Why a sociosexuality test and an attachment quiz measure different things, and how they complement each other.
SOI-R vs. the Big Five Personality Test
How sociosexual orientation differs from broad personality traits, and why it is measured separately.
SOI-R Reliability, Explained Simply
What it means for a test to be reliable and why that matters for your SOI-R result.
Is the SOI-R Scientifically Valid?
What validity and reliability mean for a psychological test, and why the SOI-R is considered the field standard.
Common Mistakes When Scoring the SOI-R
The errors people make computing SOI-R scores by hand, and how to avoid them.
SOI-R Total Score vs. Facet Scores
Why your three facet scores tell a richer story than a single total.
What a Mid-Range SOI-R Score Means
Most people land in the middle — here is how to read a moderate sociosexual orientation.
What a High SOI-R Score Means
How to read an unrestricted SOI-R result, and what it implies about your orientation toward casual sex.
What a Low SOI-R Score Means
How to read a restricted SOI-R result without judgment, and what it does and does not say about you.
Understanding the SOI-R Response Scales
Why the SOI-R uses nine-point scales and what the anchor labels actually mean.
Reverse-Coded Items on the SOI-R
Why one SOI-R item is scored in reverse and how that affects your facet calculation.
How to Take the SOI-R Accurately
Practical guidance for answering the nine SOI-R items honestly so your result reflects your real orientation.
Curious where you fall?
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