Standard Score Conversons to Percentile Ranks and Qualitative ...

Normative Test Score Conversions and Qualitative Descriptors

%-ile 100/15 50/10 10/3 descript

>99 139+ 76+ 18-19 Signif.

99 133-138 72-75 17 Above

S 98 130-132 70-71 16 Average

T 97 128-129 69

R 96 126-127 67-68

Above

E 95 124-125 66

15 Average

N 94

123

G 93

122

65

T 92

121

64

H 91

120

14

S 90

119

63

*

P 89

High

E 88

118

62

Average

E 87

117

R 86

116

61

S 85

84

115

60

13

83

82

114

59

81

113

80

79

112

58

78

77

111

76

57

75

110

12

74

73

109

56

Average

72

71

70

108

69

55

68

107

67

66

106

54

65

64

63

105

11

%-ile 50 49 48 47 46 45 44 43 42 41 40

39 38 37 36 35 34 33 32 31 30

29 28 27 26 25 24 23 22 21 20

19 18 17 16 15 14

13

100/15 50/10 10/3 descript

100

50 10

Average

99 49

98

97

48

96

47

95

9

94

46

93 45

92

91

44

90

8

43

89

Low

Average

88

42

87

86

41

85

40

7

84

39

P

83

E

62

53

61

104

60

59

58

103

52

57

56

55

102

54

51

53

101

52

51

50

100

50

10

12

82

38

E

11

R

10

81

37

S

*

9

80

6

W

8

79

36

E

7

78

35

Below A

6

77

Average K

5

75-76 34

5

N

4

73-74 32-33

E

3

71-72 31

S

2

68-70 29-30 4

S

1

62-67 25-28 3

Sig E

Below

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