Table 1.
Meta-Analysis Diagnostics
| r | Critical N | Q Statistic | P | Significant Study Characteristics | Number of Studies Dropped for Homogeneity | r | P | |
| Emotion perception | ||||||||
| Verbal memory | .28 | 264 | 28.10 | .01 | Sample size | Gur et al44 | .24 | <.01 |
| Visual memory | .30 | 143 | 2.61 | .99 | ||||
| Working memory | .22 | 90 | 12.20 | .09 | ||||
| Reasoning and problem solving | .30 | 266 | 17.38 | .30 | ||||
| Speed of processing | .29 | 279 | 18.28 | .31 | ||||
| Attention/vigilance | .26 | 216 | 20.00 | .22 | ||||
| Reality distortion | −.22 | 164 | 44.22 | .00 | — | Weniger et al45; Martin et al46 | .21 | <.01 |
| Disorganization | −.32 | 324 | 42.33 | .01 | Proportion male | Höschel and Irle47 | .34 | <.01 |
| Combined positive symptoms | −.17 | 128 | 6.99 | .98 | ||||
| Negative symptoms | −.26 | 701 | 109.70 | .00 | — | Streit et al48; Suslow et al49; Herbener et al50; Bell and Mishara51; Nelson et al52; Turetsky et al53; Behere et al54; Eack et al55 | .30 | <.01 |
| Social perception | ||||||||
| Verbal memory | .37 | 337 | 25.87 | .01 | Sample size | Bell et al41 | .31 | <.01 |
| Visual memory | .30 | 54 | 1.68 | .43 | ||||
| Working memory | .17 | 53 | 16.15 | .00 | Education | Schwartz et al56 | .22 | <.01 |
| Reasoning and problem solving | .33 | 181 | 4.98 | .76 | ||||
| Speed of processing | .24 | 116 | 3.83 | .80 | ||||
| Attention/vigilance | .17 | 70 | 12.18 | .09 | ||||
| Reality distortion | −.21 | 37 | 13.34 | .04 | — | Revheim and Medalia57 | .37 | <.01 |
| Disorganization | −.22 | 48 | 10.55 | .16 | ||||
| Combined positive symptoms | −.11 | 73 | 33.49 | .00 | — | Zhu et al58 | .16 | <.01 |
| Negative symptoms | −.20 | 191 | 37.64 | .00 | — | Bellack et al59 | .22 | <.01 |
| Attributional bias | ||||||||
| Verbal memory | — | — | ||||||
| Visual memory | — | — | ||||||
| Working memory | — | — | ||||||
| Reasoning and problem solving | — | — | ||||||
| Speed of processing | — | — | ||||||
| Attention/vigilance | — | — | ||||||
| Reality distortion | −.07 | 14 | 25.87 | .01 | — | Martin and Penn60; Mortiz et al61 | −.06 | .41 |
| Combined positive symptoms | — | — | ||||||
| Disorganization | — | — | ||||||
| Negative symptoms | — | — | ||||||
| Theory of Mind | ||||||||
| Verbal memory | .31 | 179 | 15.46 | .08 | ||||
| Visual memory | .22 | 41 | 0.22 | .97 | ||||
| Working memory | .33 | 117 | 5.04 | .54 | ||||
| Reasoning and problem solving | .34 | 258 | 15.58 | .48 | ||||
| Speed of processing | .18 | 122 | 8.18 | .70 | ||||
| Attention/vigilance | .24 | 65 | 6.48 | .26 | ||||
| Reality distortion | −.08 | 46 | 15.50 | .34 | ||||
| Disorganization | −.32 | 223 | 19.14 | .26 | ||||
| Combined positive symptoms | −.22 | 125 | 13.28 | .58 | ||||
| Negative symptoms | −.25 | 470 | 43.43 | .25 |