m&& a& CHEMICAL EDUCATION

Condensed norms far the most recent tests are presented in the following tables. These are selected from a larger body of data avail- able from the Ex...
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m&& a& CHEMICAL EDUCATION

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Physlcal Chemistry Form 1976 1

Condensed Norms: ACS Examinations

45 ltems-Scored No. Right

Condensed norms far the most recent tests are presented in the following tables. These are selected from a larger body of data available from the Examinations Committee-ACS, University of South Florida, Tampa, Florida 33620. For condensed norms of previous tests, see this Journal. 55.213 (April, 1978); 53, 264 (April, 1976);52,484 (July, 1975);and earlier issues. Note I: Normssent to usersare updated regularly from newer or more extensive data. Note 2: KR rel. is the reliability coefficient based on Kuder-Richardson Formula No. 21.

Raw Score

%ile

Raw Score

%ile

Raw Score

%ile

16 18 20 21 22 23 24

1 9 17 23 25 32 37

25 26 27 28 29 30 31

49 55 58 60 65 68 72

32 33 34 36 38 40

78 82 86 91 94 100

Mean

25.17 6.93 0.787

c KR Rel.

Based on a sample of 68students from 7 institutions.

Polymer Chemistry Form 1978 70 Items-Scared Raw Scare

%iie

Raw Score

No. Right %iie

Raw Score

Brie1 Qualitative Analysis Form 19778

%ile

35 Items-Scored

Mean m

KR rel.

39.25 8.42 0.768

No. Right

Raw Score

%ile

Raw Score

%ile

Raw Score

%ile

8 10 11 12 13 14 15

1 6 8 12 15 27 33

16 17 18 19 20 21 22

39 46 52 61 67 71 79

24 26 28 30 32

84 87 93 97 100

Mean n KR Rel.

17.67 5.64 0.747

~ a s e d a na sample 1I13 stvdentsfrom 7 institutions. AII had 1 semester of Polymer

Chemistry.

Based on a sampie of 84 students in 3 institutions.

Brief Organic Chemistry Form 19778

Organic Chemistry Form 1978

70 Items-Scored 70 Items-Scored

No. Right

Raw Score

Raw Scare

%ile

Raw Score

%iie

Raw Scare

%ile

16 21 24 26 28 30 32

1 5 10 16 22 28 34

34 36 38 40 42 44 46

40 46 53 59 65 71 76

48 50 53 56 60 66

81 86 91 95 98 100

Median

38 37.65 12.45 0.901

Mean

c KR rel. B B S C on ~ a sample of 1310 stvdents from 38 inrtitutionr.

252 1 Journal of Chemical Education

%ik

Raw Score

No. Right %ile

Raw Score

%ile

Mean

39.75 13.88 0.917

(r

KR r d .

BaJBd ona sampleof 376 stvdentJ born 9 insitutions. All had 1 semester(brief)aganic chemistry.