FIELDS W, X, and Y 



Columns 68; 69 and 



70; and 71 



In the Code, only five evaluation symbols (Field Y) are defined for Criterion 02 (Field X)-- 

 Symbols 1, 3, 5, 7, and 9--, since data consisting only of such scoring systems seldom permit signif- 

 icant division into more than four broad categories of positive activity. Actually, in the case of 

 Criterion 02, this list of five symbols should be considered as an illustration rather than a rigid CBCC 

 evaluation scale; it illustrates the spreading of a sample author's scoring scale (consisting of the 

 author's designations of negative activity and four levels of positive activity) over the total CBCC scale 

 (which consists of a symbol for negative activity [Symbol 1] and Symbols 0, A, and 2 through 9 for ten 

 levels of positive activity). Beyond this illustration, an author's scoring scale having five levels of 

 positive activity or only three levels of positive activity, for example, could also be spread over the 

 total CBCC scale (a scale having only two levels of positive activity is also illustrated in the Code); 

 in doing so, the intervals may be less consistent than in the illustration in the Code, but the coding 

 is nevertheless adequate for the type of evaluation being coded. For sake of consistency in coding, 

 the following CBCC scales (i. e. , code symbols of Field Y) are suggested for the possible numbers of 

 levels of authors' scoring systems: 



Number of levels of the CBCC scale of symbols 

 author's scoring system for Field Y 



Negative + two positive levels 1,5, and 9 (See the illustration in the Code. ) 



Negative + three positive levels 1,3,6, and 9 



Negative + four positive levels 1, 3, 5, 7, and 9 (See the illustration in 



the Code. ) 



Negative + five positive levels 1, 3, 4, 5, 7, and 9 



Negative + six positive levels 1, 3, 4, 5, 6, 7, and 9 



Negative + seven positive levels 1, 3, 4, 5, 6, 7, 8, and 9 



Negative + eight positive levels 1, 2, 3, 4, 5, 6, 7, 8, and 9 



Superimposed on the basic arrangement Just explained is a percentage scale. (Consult the 

 Code. ) Data expressed in terms of a calculated per cent response (0% - 100%) are always coded by 

 Criterion 62. However, there are occasions when an author uses the term "percentage" in a sense of 

 estimate rather than as an expression of accurate measure (e. g. , " about 2/3 [i. e. , an estimated 66%] 

 of the organisms were killed" or " about half [i. e. , an estimated 50%] of the bacterial colonies showed 

 inhibition", etc. ). When a biological response is evaluated by such an estimate expressed by the 

 author in terms of per cent (or in terms that can be interpreted as per cent such as 1/2 or 3/5), the 

 CBCC codes it as an author's estimate by using Criterion 02, rather than Criterion 62. The latter 

 criterion is thereby reserved for evaluations based on percentage calculated from actual measurements. 

 For this reason, the eleven percentage ranges of Criterion 62 have been listed with Criterion 02, with 

 their corresponding Field Y symbols. If an author does not make clear that his expression of percentage 

 response is based on actual measurement, and there is no evidence in the data that it is not an estimate, 

 use Criterion 02 rather than Criterion 62. 



For coding of Field W when evaluation is coded according to Criterion 02, see the explanation 

 in Division 4 for coding Field W when evaluation is coded according to Criterion 01. The same 

 explanation applies to both Criteria. 



6. "Inactivity" or "ineffectiveness", as an author's expression, may not be Identical to "inactivity" 

 or "Ineffectiveness" as defined by Symbol 1 of Field Y with Criteria 01 and 02; special use of 

 Symbol Q in Field W 



It will be observed that Criterion 01 or 02 is used for positive data only when the author gives 

 nothing other than his own statement of evaluation to use for a coding criterion, expressed verbally 

 (Criterion 01) or by a scoring system (Criterion 02). (This is not to ignore the fact that Criterion 01 or 

 02 is to be used for any negative data, regardless of the way the author expresses it. ) 



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