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menu-item-object-page current-page-ancestor current-menu-ancestor current-menu-parent current-page-parent current_page_parent current_page_ancestor menu-item-has-children menu-item-3022"><a href="https://www.istat.it/en/classifications-and-tools/">Classifications and Tools</a> <ul class="sub-menu"> <li id="menu-item-3023" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3023"><a href="https://www.istat.it/en/classifications-and-tools/classifications/"><i class="icon-sorting"></i> <span class="item-text">Classifications</span></a></li> <li id="menu-item-3024" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3024"><a href="https://www.istat.it/en/classifications-and-tools/glossary/"><i class="icon-dictionary-glossario"></i> <span class="item-text">Glossary</span></a></li> <li id="menu-item-3025" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3025"><a 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(SIQual)</a></li> <li id="menu-item-3037" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3037"><a href="https://www.istat.it/en/classifications-and-tools/quality-tools/quality-assessment-tools-in-the-national-statistical-system/">Quality assessment tools in the National Statistical System</a></li> </ul> </li> <li id="menu-item-3027" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3027"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/"><i class="icon-strumenti"></i> <span class="item-text">Methods and software of the statistical process</span></a> <ul class="sub-menu"> <li id="menu-item-3030" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3030"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/">Design phase</a></li> <li id="menu-item-3031" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3031"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/">Collect phase</a></li> <li id="menu-item-3032" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3032"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/">Process phase</a></li> <li id="menu-item-3033" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3033"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/analyse-phase/">Analyse phase</a></li> </ul> </li> <li id="menu-item-3028" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3028"><a href="https://www.istat.it/en/classifications-and-tools/online-analysis-software/"><i class="icon-website-statistics"></i> <span class="item-text">Online analysis software</span></a></li> <li id="menu-item-3029" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3029"><a href="https://www.istat.it/en/classifications-and-tools/sdmx-web-services/"><i class="icon-online-maintenance-portal"></i> <span class="item-text">SDMX Web Services</span></a></li> </ul> </li> <li id="menu-item-13740" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-13740"><a href="https://www.istat.it/en/about-istat/">About Istat</a> <ul class="sub-menu"> <li id="menu-item-13762" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-13762"><a href="https://www.istat.it/en/about-istat/organisation/"><i class="icon-organizzazione"></i> <span class="item-text">Organisation</span></a> <ul class="sub-menu"> <li id="menu-item-13774" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13774"><a href="https://www.istat.it/en/about-istat/organisation/organisation-chart/">Organisation chart</a></li> </ul> </li> <li id="menu-item-13779" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-13779"><a href="https://www.istat.it/en/about-istat/president/"><i class="icon-account"></i> <span class="item-text">President</span></a> <ul class="sub-menu"> <li id="menu-item-13784" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13784"><a href="https://www.istat.it/en/about-istat/president/istat-presidents-since-1926/">Istat presidents since 1926</a></li> </ul> </li> <li id="menu-item-13793" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-13793"><a href="https://www.istat.it/en/about-istat/activities/"><i class="icon-organization"></i> <span class="item-text">Activities</span></a> <ul class="sub-menu"> <li id="menu-item-13798" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13798"><a href="https://www.istat.it/en/about-istat/activities/surveys-and-studies/">Surveys and studies</a></li> <li id="menu-item-13802" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13802"><a href="https://www.istat.it/en/about-istat/activities/research/">Research</a></li> <li id="menu-item-13853" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13853"><a href="https://www.istat.it/en/about-istat/activities/quality/">Quality</a></li> <li id="menu-item-13854" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13854"><a href="https://www.istat.it/en/about-istat/activities/peer-review-2021-2023/">Peer review 2021-2023</a></li> <li id="menu-item-13855" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-13855"><a href="https://www.istat.it/en/about-istat/activities/events-and-scientific-meetings/">Events and聽scientific meetings</a></li> </ul> </li> <li id="menu-item-14075" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-14075"><a href="https://www.istat.it/en/about-istat/international-relations/"><i class="icon-around-the-globe"></i> <span class="item-text">International relations</span></a> <ul class="sub-menu"> <li id="menu-item-14087" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-14087"><a href="https://www.istat.it/en/about-istat/international-relations/istat-in-the-eu-and-in-the-world/">Istat in the EU and in the world</a></li> <li id="menu-item-14115" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-14115"><a href="https://www.istat.it/en/about-istat/international-relations/technical-cooperation/">Technical cooperation</a></li> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </header> <div id="main-content" class="white-bg "> <section class="hero d-none d-lg-block petrolio-light-bg position-relative m-0" style="background-image:url('https://www.istat.it/wp-content/uploads/2024/03/strumenti-qualita-1440x250-1.jpg'); background-size:cover; background-position:center; background-repeat:no-repeat;" aria-label="page-hero"> <div class="titolo-pagina standard white d-flex"> <span class="svg-bianco mt-1 me-2"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="32"height="32"viewBox="0 0 1024 1024"preserveAspectRatio="xMidYMid meet"><title>qualita</title><path fill="" d="M502.184 36.573c-22.985-0.144-46.018 7.884-64.205 24.125l-21.46 19.125-28.083-6.208c-47.608-10.562-96.094 17.010-111.375 63.333l-9 27.333-27.458 8.625c-46.529 14.658-74.752 62.801-64.833 110.542l5.875 28.167-19.417 21.209c-0.014 0-0.028 0-0.042 0-32.913 35.974-33.273 91.749-0.792 128.127l19.125 21.456-6.208 28.083c-7.351 33.137 4.066 66.421 27.125 88.916l-118.916 118.919c-3.892 3.888-6.715 8.719-8.196 14.018s-1.57 10.891-0.259 16.238c1.311 5.343 3.978 10.262 7.744 14.274s8.502 6.989 13.753 8.635l125.25 39.333 34.417 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3.346-31.562-5.716-36.501-21.416l-13.583-43.085c-1.529-4.835-4.185-9.238-7.748-12.848-3.564-3.606-7.935-6.316-12.752-7.903l-42.875-14.168c-15.629-5.153-24.478-20.699-20.917-36.747l9.792-44.083c1.093-4.952 0.994-10.090-0.289-14.994s-3.711-9.435-7.086-13.217l-30.042-33.664c0-0.015 0-0.029 0-0.044-10.94-12.251-10.829-30.098 0.25-42.247l0.042-0.044 30.459-33.291c3.428-3.738 5.919-8.238 7.266-13.128s1.513-10.030 0.484-14.997l-9.208-44.167v-0.042c-3.323-16.103 5.731-31.523 21.417-36.458l43.083-13.583c4.836-1.529 9.239-4.185 12.846-7.749s6.317-7.935 7.904-12.751l14.167-42.875c5.156-15.63 20.699-24.478 36.748-20.917l44.083 9.792c4.952 1.092 10.090 0.994 14.994-0.289s9.435-3.711 13.217-7.086l33.664-30.042c0.015 0 0.029 0 0.044 0 6.133-5.476 13.645-8.173 21.168-8.125zM629.435 311.24c-8.309 0.242-16.197 3.709-21.998 9.667l-143.166 143.167-72.086-72.082c-2.948-3.072-6.48-5.522-10.386-7.212-3.909-1.69-8.115-2.582-12.372-2.626s-8.481 0.764-12.422 2.373c-3.942 1.609-7.523 3.986-10.533 7-3.010 3.010-5.39 6.59-6.999 10.533s-2.416 8.163-2.373 12.42c0.044 4.261 0.936 8.466 2.625 12.372 1.689 3.909 4.141 7.442 7.212 10.39l94.708 94.749c2.973 2.977 6.502 5.339 10.39 6.949 3.884 1.613 8.049 2.443 12.255 2.443 4.209 0 8.375-0.83 12.259-2.443 3.888-1.609 7.417-3.972 10.39-6.949l165.749-165.833c4.615-4.496 7.768-10.281 9.040-16.598 1.276-6.317 0.614-12.871-1.898-18.806s-6.758-10.972-12.182-14.453c-5.424-3.482-11.769-5.245-18.213-5.059zM261.603 629.742l3.375 1.123 8.625 27.458c14.658 46.53 62.801 74.752 110.54 64.834l28.167-5.873 17.167 15.748-127.749 127.751-24.166-84.165c-1.465-5.080-4.164-9.717-7.858-13.499-3.694-3.778-8.266-6.587-13.309-8.17l-91.333-28.665 96.542-96.541zM739.686 631.406l94.874 94.877-91.333 28.665c-5.043 1.584-9.615 4.392-13.308 8.17-3.694 3.781-6.393 8.419-7.856 13.499l-24.17 84.165-129.375-129.375 14.585-13.001 28.083 6.21c47.609 10.562 96.135-17.009 111.419-63.334l9-27.333 8.082-2.542z"></path></svg></span> <h2 class="mb-0 white"> Quality tools</h2> </div> </section><div class="container-fluid"> <div class="row with-sidebar"> <div class="sidebar col-12 col-lg-3 px-0 order-2 order-lg-1 ps-lg-3 "> <div class="sidebar-inner px-3 pt-0 mt-0 pt-md-5 ps-md-0 ps-lg-4">  <nav class="sidebar-navigation pt-0 pt-lg-5 mt-1 nav-popup white-bg" aria-labelledby="side-navigation"> <button class="btn btn-danger popup-button close-popup d-block mx-auto w-100 d-lg-none"><i class="icon-close" aria-hidden="true"></i> In this section</button> <h2 class="titolo-menu my-3 mt-lg-0 mb-lg-4 pb-lg-2" id="side-navigation">Classifications and Tools</h2> <ul class="subpage-menu navbar-nav"><li class="page_item page-item-2273"><a href="https://www.istat.it/en/classifications-and-tools/classifications/">Classifications</a></li> <li class="page_item page-item-2283"><a href="https://www.istat.it/en/classifications-and-tools/glossary/">Glossary</a></li> <li class="page_item page-item-2289"><a href="https://www.istat.it/en/classifications-and-tools/ontologies/">Ontologies</a></li> <li class="page_item page-item-2296 page_item_has_children current_page_item"><a href="https://www.istat.it/en/classifications-and-tools/quality-tools/" aria-current="page">Quality tools</a> <ul class='children'> <li class="page_item page-item-2312"><a href="https://www.istat.it/en/classifications-and-tools/quality-tools/guidelines/">Guidelines</a></li> <li class="page_item page-item-2329"><a href="https://www.istat.it/en/classifications-and-tools/quality-tools/information-system-on-quality-siqual/">Information system on quality (SIQual)</a></li> <li class="page_item page-item-2355"><a href="https://www.istat.it/en/classifications-and-tools/quality-tools/quality-assessment-tools-in-the-national-statistical-system/">Quality assessment tools in the National Statistical System</a></li> </ul> </li> <li class="page_item page-item-2364 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/">Methods and software of the statistical process</a> <ul class='children'> <li class="page_item page-item-2387 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/">Design phase</a> <ul class='children'> <li class="page_item page-item-2453"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/multiway-sample-allocation/">Multiway Sample Allocation</a></li> <li class="page_item page-item-2467"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/r2beat/">R2BEAT</a></li> <li class="page_item page-item-2492"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/sampling-strata/">Sampling Strata</a></li> <li class="page_item page-item-2408"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/fs4/">FS4</a></li> <li class="page_item page-item-13163"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/design-methods/">Design methods</a></li> <li class="page_item page-item-13170"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/design-phase/design-tools/">Design tools</a></li> </ul> </li> <li class="page_item page-item-2496 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/">Collect phase</a> <ul class='children'> <li class="page_item page-item-2504"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/create-frame-and-select-sample/">Create frame and select sample</a></li> <li class="page_item page-item-2507 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/data-collection/">Data collection</a> <ul class='children'> <li class="page_item page-item-2517"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/data-collection/blaise/">Blaise</a></li> </ul> </li> <li class="page_item page-item-13176"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/collect-methods/">Collect methods</a></li> <li class="page_item page-item-13179"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/collect-phase/collect-tools/">Collect tools</a></li> </ul> </li> <li class="page_item page-item-2525 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/">Process phase</a> <ul class='children'> <li class="page_item page-item-2529 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/data-integration/">Data integration</a> <ul class='children'> <li class="page_item page-item-2795"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/data-integration/relais/">RELAIS</a></li> <li class="page_item page-item-2815"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/data-integration/statmatch/">StatMatch</a></li> </ul> </li> <li class="page_item page-item-2722 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/coding-of-textual-answers/">Coding of textual answers</a> <ul class='children'> <li class="page_item page-item-2844"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/coding-of-textual-answers/circe/">CIRCE</a></li> </ul> </li> <li class="page_item page-item-2728 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/detection-and-treatment-of-measurement-errors-and-imputation-of-partial-non-responses/">Detection and treatment of measurement errors and imputation of partial non-responses</a> <ul class='children'> <li class="page_item page-item-2859"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/detection-and-treatment-of-measurement-errors-and-imputation-of-partial-non-responses/banff/">Banff</a></li> <li class="page_item page-item-2869"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/detection-and-treatment-of-measurement-errors-and-imputation-of-partial-non-responses/canceis/">CANCEIS</a></li> <li class="page_item page-item-2884"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/detection-and-treatment-of-measurement-errors-and-imputation-of-partial-non-responses/concordjava/">CONCORDJava</a></li> <li class="page_item page-item-2902"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/detection-and-treatment-of-measurement-errors-and-imputation-of-partial-non-responses/selemix/">SeleMix</a></li> </ul> </li> <li class="page_item page-item-2735 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/weighting-estimation-and-sampling-error-evaluation/">Weighting, estimation and sampling error evaluation</a> <ul class='children'> <li class="page_item page-item-2912"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/weighting-estimation-and-sampling-error-evaluation/ever/">EVER</a></li> <li class="page_item page-item-2934"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/weighting-estimation-and-sampling-error-evaluation/regenesees/">ReGenesees</a></li> </ul> </li> <li class="page_item page-item-13187"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/process-methods/">Process methods</a></li> <li class="page_item page-item-13189"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/process-phase/process-tools/">Process tools</a></li> </ul> </li> <li class="page_item page-item-2743 page_item_has_children"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/analyse-phase/">Analyse phase</a> <ul class='children'> <li class="page_item page-item-2747 page_item_has_children"><a 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href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/analyse-phase/apply-disclosure-control/argus/">ARGUS</a></li> </ul> </li> <li class="page_item page-item-13192"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/analyse-phase/analyse-methods/">Analyse methods</a></li> <li class="page_item page-item-13194"><a href="https://www.istat.it/en/classifications-and-tools/methods-and-software-of-the-statistical-process/analyse-phase/analyse-tools/">Analyse tools</a></li> </ul> </li> </ul> </li> <li class="page_item page-item-2761"><a href="https://www.istat.it/en/classifications-and-tools/online-analysis-software/">Online analysis software</a></li> <li class="page_item page-item-2765"><a href="https://www.istat.it/en/classifications-and-tools/sdmx-web-services/">SDMX Web Services</a></li> </ul> </nav> </div> </div> <main id="page-content" class="col-12 col-lg-9 page-content 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navigator.clipboard .writeText("https://www.istat.it/en/classifications-and-tools/quality-tools/") .then(() => { alert("URL was copied"); }) .catch(() => { alert("URL was NOT copied"); }); } </script> <section class="intro mb-0 pb-lg-2 mb-lg-4"> <div class="container"> <div class="row"> <div class="col-12"> <h1 class="titolo-pagina-esteso">Quality tools</h1> </div> </div> </div> </section> <div class="container d-block d-lg-none"> <button class="btn btn-danger popup-button mx-auto w-100 mb-3 open-side-navigation" data-open=""> <i class="icon-hamburger-menu"></i>In this section </button> </div> <p>Quality tools have been developed by Istat in order to improve the quality of statistical processes and products, consistently with Istat鈥檚聽<a href="https://www.istat.it/en/about-istat/"><strong>mission</strong></a>聽and according to the聽<a href="https://www.istat.it/en/about-istat/activities/quality/quality-framework/"><strong>quality framework</strong></a>聽of the European Statistical System.</p> <p>The <a href="https://www.istat.it/en/classifications-and-tools/quality-tools/guidelines/"><strong>Quality Guidelines</strong></a> are among these tools which Istat set up initially only for statistics from surveys, and subsequently also for processes using administrative sources.</p> <p>For transparency purposes, the quality documentation of Istat statistical processes is available through:</p> <ul class="wp-block-list"> <li>the <a href="https://www.istat.it/en/classifications-and-tools/quality-tools/information-system-on-quality-siqual/"><strong>Information system on quality (SIQual)</strong></a> containing all metadata describing each production process and its features</li> <li>The National Quality Reports (<a href="https://www.istat.it/classificazioni-e-strumenti/strumenti-per-la-qualita/schede-standard-di-qualita/"><strong>Schede Standard di Qualit脿</strong></a>, only available in Italian), more extensive and detailed reports for expert users, including quantitative indicators on process quality, harmonised with European standards.</li> </ul> <p>ISTAT has also established guidelines and procedures for assessing the <a href="https://www.istat.it/en/classifications-and-tools/quality-tools/quality-assessment-tools-in-the-national-statistical-system/"><strong>quality of statistics produced within Sistan</strong></a>.</p> <section class="gblock spacer white-bg py-0" aria-labelledby="section-1"><div class="container p-lg-0 block_count_1" data-blockcount="1"><div class="row pb-2"> <div class="col-12"> <div></div> </div> </div></div></section> <aside class="grigio-light-bg mb-0 py-4 correlati mt-auto fake-extended-bg" aria-labelledby="related-content"> <div class="container"> <div class="row"> <div class="col-12"> <h2 id="related-content">Related Content</h2> </div> <div class="col-12"> <div class="border-separator mb-4"></div> <ul> <li class="link-correlato"> <i class="link_icons icon-link-interno" aria-hidden="true"></i> <a 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