Sociosexual Orientation Inventory (SOI)

Please answer all of the following questions honestly‚ both the questions dealing with behavior and the questions dealing with thoughts and attitudes.
1. With how many different partners have you had sex (sexual intercourse) within the past year?
(A) Zero‚ (B) One‚ (C) Two‚ (D) Three to Four‚ (E) Five or more
2. How many different partners do you foresee yourself ha‎ving sex with during the next five years? (Please give a specific‚ realistic estimate)
(A) Zero‚ (B) One‚ (C) Two‚ (D) Three to Four‚ (E) Five or more
3. With how many different partners have you had sex on one and only one occasion?
(A) Zero‚ (B) One‚ (C) Two‚ (D) Three to Four‚ (E) Five or more
4. How often do you fantasize about ha‎ving sex with someone other than your current dating partner?
(A) Never‚ (B) Once every 2 or 3 months‚ (C) Once every 2 or 3 weeks‚ (D) Once every 2 or 3 days‚ (E) Once or more every
For each statement:
A = Strongly disagree with the statement
B = Moderately disagree with the statement
C = Neutral-neither agree or disagree
D = Moderately agree with the statement
E = Strongly agree with the statement
5. Sex without love is OK.
6. I can imagine myself being comfortable and enjoying “casual” sex with different partners.
7. I would have to be closely attached to someone (both emotionally and psychologically) before I could feel comfortable and fully enjoy ha‎ving sex with him or her.
 
 
1. With how many different partners have you had sex within the past 12 months?
0‚ 1‚ 2‚ 3‚ 4‚ 5-6‚         7-9‚ 10-19‚ 20 or more
2. With how many different partners have you had sexual intercourse on one and only one occasion?
0‚ 1‚ 2‚ 3‚ 4‚ 5-6‚ 7-9‚ 10-19‚ 20 or more
3. With how many different partners have you had sexual intercourse without ha‎ving an interest in a long-term committed relationship with this person?
0‚ 1‚ 2‚ 3‚ 4‚ 5-6‚ 7-9‚ 10-19‚ 20 or more
4. Sex without love is OK.
1 □ Strongly disagree 2 □     3 □     4 □     5 □     6 □     7 □     8 □ Strongly agree    9 □
5.  I can imagine myself being comfortable and enjoying “casual” sex with different partners.
1 □ Strongly disagree 2 □     3 □     4 □     5 □     6 □     7 □     8 □ Strongly agree    9
6. I do not want to have sex with a person until I am sure that we will have a long-term‚ serious relationship.
1 □ Strongly disagree 2 □     3 □     4 □     5 □     6 □     7 □     8 □ Strongly agree    9 □
7. How often do you have fantasies about ha‎ving sex with someone you are not in a committed romantic relationship with?
□ 1 – never
□ 2 – very seldom
□ 3 – about once every two or three months
□ 4 – about once a month
□ 5 – about once every two weeks
□ 6 – about once a week
□ 7 – several times per week
□ 8 – nearly every day
□ 9 – at least once a day
8. How often do you experience sexual arousal when you are in contact with someone you are not in a committed romantic relationship with?
□ 1 – never
□ 2 – very seldom
□ 3 – about once every two or three months
□ 4 – about once a month
□ 5 – about once every two weeks
□ 6 – about once a week
□ 7 – several times per week
□ 8 – nearly every day
□ 9 – at least once a day
9. In everyday life‚ how often do you have spontaneous fantasies about ha‎ving sex with someone you have just met?
□ 1 – never
□ 2 – very seldom
□ 3 – about once every two or three months
□ 4 – about once a month
□ 5 – about once every two weeks
□ 6 – about once a week
□ 7 – several times per week
□ 8 – nearly every day
□ 9 – at least once a day
 
This instrument can be found on page 176 of The Relationship Between Conflict and Communication‚ Sex‚ Relationship Satisfaction‚ and other Relational Variables in Dating Relationships. Available online at:http://repositories.tdl.org/ttu-ir/bitstream/handle/2346/9978/Zacchilli_Tammy_Diss.pdf?sequence=1
http://www.larspenke.eu/en/research/soi-r.html

Tammy Lowery Zacchilli‚ 2007. The Relationship Between Conflict and Communication‚ Sex‚ Relationship Satisfaction‚ and other Relational Variables in Dating Relationships. A Dissertation In EXPERIMENTAL PSYCHOLOGY. Texas Tech University

Simpson‚ J. A. (1998). Sociosexual Orientation Inventory. In C.M. Davis‚ W. L. Yarber‚ R. Bauserman‚ G. Schreer‚ & S. L. Davis (Eds.)‚ Handbook of sexuality-related measures (pp. 565-566). Thousand Oaks‚ CA: Sage Publications.

The SOI-R can be cited as: Penke‚ L.‚ & Asendorpf‚ J. B. (2008). Beyond global sociosexual orientations: A more differentiated look at sociosexuality and its effects on courtship and romantic relationships. Journal of Personality and Social Psychology‚ 95‚ 1113-1135.

 For further information and feedback‚ please contact:
Lars Penke
University of Edinburgh
Phone: +44-131-6508482
 
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