Introduction
Method
Participants
Variable | A. Girls with ASD (n = 20) | B. Boys with ASD (n = 20) | C. TYP girls (n = 19) | D. TYP boys (n = 17) | Group differencesa
| |||||
---|---|---|---|---|---|---|---|---|---|---|
M
| SD |
M
| SD |
M
| SD |
M
| SD |
p
| ||
Age (years) | 12.00 | 3.42 | 12.45 | 3.72 | 12.53 | 3.32 | 11.47 | 2.37 |
ns
| – |
FSIQ | 104.20 | 15.29 | 103.95 | 16.87 | 113.26 | 10.23 | 121.65 | 11.01 | <.001 | C, D > A, B |
VIQ | 108.75 | 15.12 | 103.05 | 16.00 | 113.68 | 12.64 | 122.12 | 12.12 | .001 | C > B; D > A, B |
PIQ | 99.00 | 17.10 | 107.10 | 16.93 | 109.89 | 11.48 | 116.65 | 11.98 | .006 | C, D > A |
ADOS total | 10.75 | 2.73 | 10.50 | 3.95 | – | – | – | – |
ns
| – |
ADOS communication | 2.95 | .94 | 3.75 | 2.07 | – | – | – | – |
ns
| – |
ADOS social | 7.80 | 2.35 | 7.30 | 2.49 | – | – | – | – |
ns
| – |
SCQ total | 21.95 | 6.19 | 23.05 | 6.64 | 1.58 | 1.92 | 2.00 | 2.12 | <.001 | A, B > C, D |
Qualification Measures
Autism Symptom Measures
Internalizing Psychopathology Measures
Data Analytic Plan
Results
Autism Symptoms
Variable | A. Girls with ASD (n = 20) | B. Boys with ASD (n = 20) | C. TYP girls (n = 19) | D. TYP boys (n = 17) |
p
| Group differencesa
| Cohen’s d
a
| |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
M
(range) | SD | A–B | A–C | B–D | C–D | |||
SRS Total | 103.85 (47–152) | 27.64 | 104.60 (23–149) | 32.04 | 18.11 (0–79) | 18.79 | 62.12 (3–148) | 60.81 | <.001 | A > C | .03 | 3.63 | .87 | .96 |
Social awareness | 13.60 (7–19) | 3.50 | 13.45 (5–19) | 3.15 | 3.37 (0–9) | 2.56 | 8.82 (0–19) | 6.80 | <.001 | A > C | .05 | 3.34 | .87 | 1.06 |
Social cognition | 17.55 (10–26) | 4.74 | 19.95 (5–29) | 6.58 | 3.47 (0–14) | 3.67 | 11.29 (0–29) | 11.87 | <.001 | A > C | .42 | 3.32 | .90 | .89 |
Social communication | 35.65 (15–58) | 10.12 | 34.90 (7–49) | 11.36 | 4.58 (0–22) | 5.90 | 20.29 (0–50) | 20.58 | <.001 | A > C | .07 | 3.75 | .88 | 1.04 |
Social motivation | 17.10 (3–30) | 6.74 | 16.55 (1–30) | 7.44 | 4.32 (0–21) | 5.43 | 11.41 (0–30) | 10.76 | <.001 | A > C | .07 | 2.09 | .56 | .83 |
Autistic mannerisms | 20.15 (8–31) | 6.32 | 19.60 (5–30) | 6.85 | 2.68 (0–13) | 3.70 | 10.29 (0–28) | 11.85 | <.001 | A > C | .08 | 3.37 | .89 | 1.09 |
CCC-2 | ||||||||||||||
Speech | 7.20 (1–12) | 3.47 | 7.90 (1–12) | 3.28 | 10.63 (4–12) | 2.65 | 11.12 (4–14) | 2.57 | <.001 | A < C; B < D | .21 | 1.11 | 1.09 | .19 |
Syntax | 8.10 (1–12) | 2.99 | 8.30 (1–12) | 3.01 | 10.84 (4–12) | 2.50 | 11.35 (5–14) | 2.23 | <.001 | A < C; B < D | .07 | .99 | 1.15 | .22 |
Semantics | 7.10 (1–12) | 2.69 | 6.80 (2–12) | 3.17 | 11.21 (7–14) | 2.14 | 12.18 (5–18) | 3.64 | <.001 | A < C; B < D | .10 | 1.69 | 1.58 | .32 |
Coherence | 5.50 (1–13) | 2.76 | 5.40 (1–12) | 2.96 | 10.53 (1–13) | 3.24 | 11.94 (6–18) | 3.47 | <.001 | A < C; B < D | .03 | 1.67 | 2.03 | .42 |
GCC | 76.00 (46–115) | 14.93 | 80.95 (50–160) | 24.55 | 113.05 (83–146) | 16.20 | 111.00 (74–143) | 16.37 | <.001 | A < C; B < D | .24 | 2.38 | 1.44 | .13 |
Initiation | 4.80 (1–9) | 2.26 | 5.25 (1–15) | 2.90 | 12.32 (7–15) | 2.91 | 12.06 (5–19) | 3.49 | <.001 | A < C; B < D | .17 | 2.89 | 2.12 | .08 |
Scripted language | 4.87 (1–12) | 3.03 | 4.35 (1–12) | 3.25 | 11.53 (5–13) | 2.29 | 11.59 (7–15) | 2.40 | <.001 | A < C; B < D | .17 | 2.48 | 2.53 | .03 |
Context | 5.35 (1–16) | 3.34 | 5.15 (1–10) | 2.48 | 10.53 (6–14) | 2.39 | 11.59 (6–16) | 2.83 | <.001 | A < C; B < D | .07 | 1.78 | 2.42 | .40 |
Nonverbal | 2.70 (1–7) | 1.75 | 4.20 (1–13) | 3.22 | 10.74 (4–13) | 2.98 | 11.00 (6–14) | 2.37 | <.001 | A < C; B < D | .58 | 3.29 | 2.41 | .10 |
Social relations | 3.00 (1–8) | 2.13 | 4.90 (1–12) | 3.01 | 11.00 (4–13) | 2.77 | 11.12 (7–14) | 2.18 | <.001 | A < C; B < D | .73 | 3.24 | 2.37 | .05 |
Interests | 4.55 (1–7) | 2.01 | 4.90 (1–15) | 3.42 | 13.11 (6–16) | 3.11 | 11.94 (8–16) | 2.36 | <.001 | A < C; B < D | .12 | 3.27 | 2.40 | .42 |
SIDC | −10.85 (−25 to 12) | 10.33 | −9.40 (−27 to 16) | 11.18 | 2.84 (−16 to 9) | 6.18 | −.06 (−8 to 9) | 5.18 | <.001 | A < C; B < D | .13 | 1.61 | 1.07 | .51 |
Variable | A. Girls with ASD (n = 15) | B. Boys with ASD (n = 20) | C. TYP girls (n = 14) | D. TYP boys (n = 17) | Group differencesa
| Cohen’s d
a
| ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
p
| A–B | A–C | B–D | C–D | ||
RBS-R overall | 2.47 (6–72) | 1.77 | 5.00 (0–91) | 3.16 | .00 (0–18) | .00 | .41 (0–11) | 1.23 | <.001 | A > C; B > D | .51 | 1.97 | 1.91 | .47 |
Stereotyped | 4.27 (0–13) | 3.63 | 5.20 (0–15) | 3.83 | .00 (0) | .00 | .71 (0–6) | 1.83 | <.001 | A > C; B > D | .25 | 1.66 | 1.50 | .55 |
Self–injurious | 2.53 (0–6) | 2.07 | 3.75 (0–12) | 4.14 | .00 (0) | .00 | .41 (0–4) | 1.06 | <.001 | A > C; B > D | .37 | 1.73 | 1.11 | .55 |
Compulsive | 4.40 (0–18) | 5.03 | 6.80 (0–18) | 4.99 | .93 (0–5) | 1.73 | .29 (0–3) | .77 | <.001 | B > D | .48 | .92 | 1.82 | .48 |
Ritualistic | 4.93 (0–14) | 4.03 | 7.00 (0–17) | 5.42 | .36 (0–5) | 1.34 | .29 (0–2) | .69 | <.001 | A > C; B > D | .43 | 1.52 | 1.74 | .07 |
Sameness | 9.13 (2–23) | 6.15 | 11.20 (0–31) | 8.31 | .71 (0–8) | 2.13 | .24 (0–2) | .56 | <.001 | A > C; B > D | .28 | 1.83 | 1.86 | .30 |
Restricted interests | 2.47 (0–6) | 1.77 | 5.00 (0–11) | 3.16 | .00 (0) | .00 | .41 (0–5) | 1.23 | <.001 | A > C; B > D | .99 | 1.97 | 1.91 | .47 |
Internalizing Psychopathology
Variable | A. Girls with ASD (n = 20) | B. Boys with ASD (n = 20) | C. TYP girls (n = 19) | D. TYP boys (n = 17) | Group differencesa
| Cohen’s d
a
| ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
p
| A–B | A–C | B–D | C–D | ||
BASC2b
| ||||||||||||||
Anxiety | 17.45 (6–26) | 6.15 | 15.74 (3–39) | 9.49 | 9.58 (0–24) | 5.81 | 9.47 (0–25) | 6.08 | <.001 | A > C; B > D | .21 | 1.32 | .79 | .02 |
Depression | 17.15 (6–26) | 6.93 | 13.00 (2–31) | 8.99 | 3.79 (0–10) | 2.78 | 4.29 (1–16) | 4.21 | <.001 | A > C; B > D | .52 | 2.53 | 1.24 | .14 |
Internalizing | 189.85 (126–226) | 28.91 | 174.32 (120–269) | 40.00 | 136.95 (101–179) | 20.15 | 142.53 (109–184) | 17.84 | <.001 | A > C; B > D | .45 | 2.12 | 1.03 | .29 |
CDI | 11.95 (0–33) | 7.83 | 9.80 (1–17) | 5.27 | 3.47 (0–17) | 4.01 | 5.65 (0–17) | 5.41 | <.001 | A > C | .32 | 1.36 | .78 | .46 |
Variable | A. Girls with ASD (n = 10) | B. Boys with ASD (n = 10) | C. TYP girls (n = 9) | D. TYP boys (n = 8) | Group differencesa
| Cohen’s d
a
| ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
M
(range) | SD |
p
| A–B | A–C | B–D | C–D | ||
Age | 14.90 (12–18) | 2.13 | 15.70 (12–18) | 2.06 | 15.56 (12–18) | 2.07 | 13.38 (12–17) | 1.85 |
ns
| .38 | .31 | .07 | 1.11 | |
BASC2 | ||||||||||||||
Anxiety | 18.00 (8–26) | 5.85 | 10.40 (3–20) | 6.06 | 8.78 (1–14) | 4.24 | 8.75 (1–16) | 4.83 | .006 | A > C | 1.28 | 1.08 | .30 | .01 |
Depression | 16.80 (7–25) | 7.45 | 9.50 (2–21) | 6.79 | 3.22 (0–7) | 2.28 | 3.25 (1–12) | 3.73 | <.001 | A > C | 1.02 | 2.47 | 1.14 | .01 |
Internalizing | 200.80 (151–226) | 25.64 | 155.90 (120–209) | 28.60 | 137.33 (113–170) | 19.47 | 141.75 (109–184) | 21.82 | <.001 | A > B, C | 1.65 | 2.79 | .56 | .21 |
CDI | 11.50 (0–33) | 9.18 | 8.90 (2–15) | 4.86 | 2.33 (0–6) | 2.24 | 4.25 (1–10) | 3.11 | .005 | A > C | .35 | 1.37 | 1.14 | .71 |