Table 2 FSSM-DS Items, paraphrased items of the DISYPS-III FBB SOZ on social fears, their node abbreviations and symptom names we use in the article

M1

Does your child fail to speak in certain situations and/or with certain individuals even though it is expected of him/her?

Silence

M2

Does he/she speak in certain situations and/or with certain individuals only very softly and tonelessly, or only use single words?

Reduced speech

M3

Is your child incapable in certain situations of shaking his/her head, of nodding or of pointing to something when asked to?

Incapacity of nonverbal communication

M4

Do his/her movements seem slow or frozen-like to you in certain situations?

Motor Inhibition

M7

Does your child lower his/her head and/or avoid eye contact in certain situations, if he/she is spoken to?

Avoidance of eye contact

M8

Does your child suppress noises (i.e., coughing, sneezing, clearing the throat, laughing, crying) in certain situations?

Suppression of noises

M9

Does your child try to avoid situations in which he/she is expected to speak by withdrawal, defiance or refusal?

Avoidance of verbal situations

M10

Is there an obvious difference between your child’s speaking behavior at home (more talkative) and outside the home (taciturn or mute)?

Selectivity of speaking behavior

S1

Marked and persistent fear of failing in performance situations (e.g., at school, in class tests, when he/she is called on in class)

Performance fear

S2

Marked and persistent fear with unfamiliar peers and trying to avoid these situations

Fear of interaction with unfamiliar peers

S3

Persistent and age unusual fear with unfamiliar or little known adults and and trying to avoid these situations

Fear of interaction with unfamiliar adults