| Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision |
| en:create:functions:getitems [28.11.2014 12:46] – [getItems()] alexander.ritter | en:create:functions:getitems [19.11.2015 10:30] – [getItems()] admin |
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| |'''<'''|items with a valid answer that is less than the //answer code// specified.| | |'''<'''|items with a valid answer that is less than the //answer code// specified.| |
| |'''==''', '''=''', '''is''' or '''equal'''|items with the exact //answer code// specified.| | |'''==''', '''=''', '''is''' or '''equal'''|items with the exact //answer code// specified.| |
| |'''answered'''|items answered| | |'''answered'''|items answered. **Note:** The option is not applicable for multiple choice selections, as a respondent cannot not answer the options.| |
| |'''missing'''|items not answered or missing.| | |'''missing'''|items not answered or missing.| |
| |'''valid'''|items with a valid answer, and therefore have not been left empty or given an answer of "do not know". **Note:** In a multiple choice selection, 'no answer' selected is also a valid answer. Here, use '''==''' in conjunction with answer code ''2'' to determine the options selected.| | |'''valid'''|items with a valid answer, and therefore have not been left empty or given an answer of "do not know". **Note:** In a multiple choice selection, 'no answer' selected is also a valid answer. Here, use ' ''=='' ' in conjunction with answer code ''2'' to determine the options selected.| |
| |'''invalid'''|items left empty or given an answer of "do not know".| | |'''invalid'''|items left empty or given an answer of "do not know".| |
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| In the following example, question ''AB01'' (a matrix question -- scale) is asked on page 1, in which the participant has to specify how often they read different magazines. | In the following example, question ''AB01'' (a matrix question -- scale) is asked on page 1, in which the participant has to specify how often they read different magazines. |
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| On the following page 2, only items used no less frequently than "rarely" (answer code 2) should be displayed. | On the following page 2, only items used at least "rarely" (answer code 2) should be displayed. |
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| This example assumes that ''AB02'' has just as many items as ''AB01''. In addition, matching items must also have the same ID. Thus, item 1 could be "mirror" in both questions, and item 2 could be "star". | This example assumes that ''AB02'' has just as many items as ''AB01''. In addition, matching items must also have the same ID. Thus, item 1 could be "mirror" in both questions, and item 2 could be "star". |
| <code php> | <code php> |
| // page 2 | // page 2 |
| // determine items used no less frequently than "rarely" (2) | // determine items used at least "rarely" (2) |
| $itemlist = getItems('AB01', 'min', 2); | $itemlist = getItems('AB01', 'min', 2); |
| // only show these items in AB02 | // only show these items in AB02 |
