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Table 7 The ranks of the 25th, 50th, 75th, and 90th percentiles of the scores of each item of the receptive and expressive part of the Arabic semantic test among the 4 participating age groups

From: Development of an Arabic test for assessment of semantics for the Arabic-speaking children: the Arabic semantic test

Items of the receptive and expressive parts

Total scores

Ranks of percentiles of the receptive and expressive parts among the 4 studied age groups

Group 1 (2–< 2.6 y) (n = 30)

Group 2 (2.6–< 3 y) (n = 30)

Group 3 (3–< 3.6 y) (n = 30)

Group 4 (3.6–< 4 y) (n = 30)

25

50

75

90

25

50

75

90

25

50

75

90

25

50

75

90

I. Identification of lexical semantic classes

Receptive

153

112

130

144

151

143

147

150

152

147

150

151

152

150

151

152

152

Expressive

153

60

79

110

127

107

111

120

133

116

127

136

146

124

135

142

146

II. Identify basic concepts

Receptive

18

0

7

11

14

6

13

14

15

12

13

15

17

14

15

17

18

Expressive

8

0

0

2

4

2

3

3

5

2

3

4

6

2

3

4

6

III. Identify the name of a certain prototype

Receptive

3

2

2

3

3

3

3

3

3

3

3

3

3

3

3

3

3

Expressive

3

0

0

0

1

0

1

1

2

1

2

3

3

1

2

3

3

IV. Categorization

Receptive

3

0

2

3

3

2

3

3

3

3

3

3

3

3

3

3

3

Expressive

3

0

0

0

0

0

0

0

2

0

1

2

3

0

1

2

3

V. Word relations

Receptive

12

3

8

11

12

8

10

11

12

9

10

12

12

10

11

12

12

Expressive

22

0

5

10

10

8

13

14

20

10

15

15

17

12

14

17

18

Total scores

Receptive

189

119

149

167

182

163

173

179

183

174

178

182

186

180

182

185

188

Expressive

189

60

86

119

143

116

124

144

154

131

142

157

173

141

154

164

173