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    Ziv, Leiser and Levine 29

    Table 1

    Loadings on the two factors upon varimax rotation of the 5 tasks

    Factor 1 Factor 2

    Matrix 0.72 -0.16

    ToM1 0.71 0.19

    ToM2 0.75 -0.05

    EIQ 0.18 0.76

    Irony 0.04 0.74

    Ziv, Leiser and Levine 30

    Table 2

    Demographic characteristics of schizophrenic patients and healthy controls

    _____________________________________________________________________

    Schizophrenia Healthy Statistics

    Patients Controls

    _____________________________________________________________________

    N 30 30

    Gender ratio (M:F) (21:9) (16:14)

    Age (years) 37.83+ 11.32 35.56 + 12.64 P=0.46, n.s.

    Education (years) 11.43 + 2.17 12.06 + 1.11 P=0.16, n.s.

    Age at onset (years) 24.28 + 11.08

    Duration of illness

    (years) 13.20 + 13.37

    PANSS positive subscale 19.16 + 7.18

    PANSS negative subscale 17.01 + 5.17

    PANSS general subscale 39.96 + 9.48

    PANSS total sum* 58.12 + 16.53

    _____________________________________________________________________

    * Total score 18 points

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    Ziv, Leiser and Levine 31

    Table 3

    t-test analyses (with Bonferroni adjustment) for all tasks

    Task Controls Patients Effect Observed Power

    Mean SD Mean SD t(58) P

    Matrix 0.72 0.18 0.36 0.18 7.719** 0.000 1.00

    EIQ 0.97 0.04 0.88 0.15 2.811** 0.006 0.83

    ToM1 0.98 0.06 0.91 0.17 2.304 0.024 ----

    ToM2 0.90 0.18 0.65 0.40 3.088** 0.003 0.98

    Irony 0.95 0.08 0.85 0.16 3.085** 0.003 0.78

    Irony-

    Control

    0.88 0.14 0.89 0.15 0.351 0.726 ----

    Ziv, Leiser and Levine 32

    Table 4 Correlations between the tasks

    Patients Control

    Matrix EIQ ToM1 ToM2 Matrix EIQ ToM1 ToM2

    EIQ 0.15 EIQ 0.27

    ToM1 0.31 0.13 ToM1 0.50** 0.34

    ToM2 0.36* 012 0.41* ToM2 0.60** 0.18 0.50**

    Irony 0.30 (-.11) (-0.08) 0.20 Irony 0.31 0.16 0.13 0.52**

    *p

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    Ziv, Leiser and Levine 33

    Table 5 Correlations between PANSS evaluations and tasks. (Significant

    correlations are in bold.)

    Matrix EIQ ToM1 ToM2 Irony

    Positive (-0.192)

    p=0.358

    (-0.014)

    p=0.944

    (-0.173)

    p=0.407

    (-0.191)

    p=0.36

    (-0.293)

    p=0.155

    Negative (-0.524)

    p=0.007

    (-0.083)

    p=0.692

    (-0.277)

    p=0.180

    (-0.553)

    p=0.004

    (-0.423)

    p=0.035

    General (-0.202)

    p=0.331

    (-0.287)

    p=0.165

    (-0.244)

    p=0.239

    (-0.192)

    p=0.562

    (-0.192)

    p=0.917

    Total (-0.363)

    p=0.074

    (-0.197)

    p=0.344

    (-0.302)

    p=0.142

    (-0.326)

    p=0.112

    (-0.272)

    p=0.188

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