TABLE A1.

SPQ Items

Odd Beliefs or Magical Thinking
3	Have you had experiences with the supernatural?
12	Do you believe in telepathy (mind-reading)?
21	Are you sometimes sure that other people can tell what you are thinking?
30	Do you believe in clairvoyancy (psychic forces, fortune telling)?
39	Can other people feel your feelings when they are not there?
47	Have you had experiences with astrology, seeing the future, UFOs, ESP, or a sixth sense?
55	Have you ever felt that you are communicating with another person telepathically (by mind-reading)?
Unusual Perceptual Experiences
4	Have you often mistaken objects or shadows for people, or noises for voices?
13	Have you ever had the sense that some person or force is around you, even though you cannot see anyone?
22	When you look at a person or yourself in a mirror, have you ever seen the face change right before your eyes?
31	I often hear a voice speaking my thoughts aloud.
40	Have you ever seen things invisible to other people?
48	Do everyday things seem unusually large or small?
56	Does your sense of smell sometimes become unusually strong?
61	Do you ever suddenly feel distracted by distant sounds that you are not normally aware of?
64	Are your thoughts sometimes so strong that you can almost hear them?
Ideas of Reference
1	Do you sometimes feel that things you see on the TV or read in the newspaper have a special meaning for you?
10	I am aware that people notice me when I go out for a meal or to see a film.
19	Do some people drop hints about you or say things with a double meaning?
28	Have you ever noticed a common event or object that seemed to be a special sign for you?
37	Do you sometimes see special meanings in advertisements, shop windows, or in the way things are arranged around you?
45	When shopping do you get the feeling that other people are taking notice of you?
53	When you see people talking to each other, do you often wonder if they are talking about you?
60	Do you sometimes feel that other people are watching you?
63	Do you sometimes feel that people are talking about you?
Suspiciousness and Paranoia
9	I am sure I am being talked about behind my back.
18	Do you often feel that other people have got it in for you?
27	Do you sometimes get concerned that friends or coworkers are not really loyal or trustworthy?
36	I feel I have to be on my guard even with friends.
44	Do you often pick up hidden threats or put-downs from what people say or do?
52	Have you found that it is best not to let other people know too much about you?
59	I often feel that others have it in for me.
65	Do you often have to keep an eye out to stop people from taking advantage of you?
Inappropriate or Constricted Affect
8	People sometimes find me aloof and distant.
17	I am poor at expressing my true feelings by the way I talk and look.
26	I rarely laugh and smile.
35	My “nonverbal” communication (smiling and nodding during a conversation) is poor.
43	I am poor at returning social courtesies and gestures.
51	I tend to avoid eye contact when conversing with others.
68	I do not have an expressive and lively way of speaking.
73	I tend to keep my feelings to myself.
No Close Friends
6	I have little interest in getting to know other people.
15	I prefer to keep to myself.
24	I am mostly quiet when with other people.
33	I find it hard to be emotionally close to other people.
41	Do you feel that there is no one you are really close to outside of your immediate family, or people you can confide in or talk to about personal problems?
49	Writing letters to friends is more trouble than it is worth.
57	I tend to keep in the background on social occasions.
62	I attach little importance to having close friends.
66	Do you feel that you are unable to get “close” to people?
Excessive Social Anxiety
2	I sometimes avoid going to places where there will be many people because I will get anxious.
11	I get very nervous when I have to make polite conversation.
20	Do you ever get nervous when someone is walking behind you?
29	I get anxious when meeting people for the first time.
38	Do you often feel nervous when you are in a group of unfamiliar people?
46	I feel very uncomfortable in social situations involving unfamiliar people.
54	I would feel very anxious if I had to give a speech in front of a large group of people.
71	I feel very uneasy talking to people I do not know well.
Odd Thinking and Speech
7	People sometimes find it hard to understand what I am saying.
16	I sometimes jump quickly from one topic to another when speaking.
25	I sometimes forget what I am trying to say.
34	I often ramble on too much when speaking.
42	Some people find me a bit vague and elusive during a conversation.
50	I sometimes use words in unusual ways.
58	Do you tend to wander off the topic when having a conversation?
69	I find it hard to communicate clearly what I want to say to people.
72	People occasionally comment that my conversation is confusing.
Odd or Eccentric Behavior
5	Other people see me as slightly eccentric (odd).
14	People sometimes comment on my unusual mannerisms and habits.
23	Sometimes other people think that I am a little strange.
32	Some people think that I am a very bizarre person.
67	I am an odd, unusual person.
70	I have some eccentric (odd) habits.
74	People sometimes stare at me because of my odd appearance.