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        <title><![CDATA[Sawtooth]]></title>
        <description><![CDATA[Sawtooth]]></description>
        <link>https://community.sawtoothsoftware.com</link>
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            <title>Sawtooth</title>
            <link>https://community.sawtoothsoftware.com</link>
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        <lastBuildDate>Sat, 04 Jul 2026 17:39:51 GMT</lastBuildDate>
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        <pubDate>Sat, 04 Jul 2026 17:39:51 GMT</pubDate>
        <copyright><![CDATA[2026 Sawtooth]]></copyright>
        <language><![CDATA[en-US]]></language>
        <ttl>60</ttl>
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        <item>
            <title><![CDATA[How to input Barcode number]]></title>
            <description><![CDATA[I have an open question that requires entering a barcode number, but I don't want to enter it manually for fear of making a mistake. Do you know how to use the mobile/tablet camera to scan the barcode...]]></description>
            <link>https://community.sawtoothsoftware.com/general/post/how-to-input-barcode-number-JT2jTR5pcdN6BSl</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/general/post/how-to-input-barcode-number-JT2jTR5pcdN6BSl</guid>
            <category><![CDATA[Lighthouse Studio]]></category>
            <category><![CDATA[Offline surveys]]></category>
            <dc:creator><![CDATA[Saroeun Chum]]></dc:creator>
            <pubDate>Fri, 03 Jul 2026 09:56:10 GMT</pubDate>
            <content:encoded><![CDATA[<p>I have an open question that requires entering a barcode number, but I don't want to enter it manually for fear of making a mistake. Do you know how to use the mobile/tablet camera to scan the barcode number?&nbsp;</p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[Piping in Internal Label]]></title>
            <description><![CDATA[I have a list of places (called Q7List) with images (and formatting) for each place. I have identified short text-only Internal Labels for each list item. Respondents are asked (in Q7b) to select the ...]]></description>
            <link>https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/piping-in-internal-label-xduCNNuZ9UFpY52</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/piping-in-internal-label-xduCNNuZ9UFpY52</guid>
            <category><![CDATA[Grid question]]></category>
            <category><![CDATA[Lighthouse Studio]]></category>
            <dc:creator><![CDATA[Howie Harshaw]]></dc:creator>
            <pubDate>Sun, 28 Jun 2026 17:40:45 GMT</pubDate>
            <content:encoded><![CDATA[<p>I have a list of places (called Q7List) with images (and formatting) for each place. I have identified short text-only Internal Labels for each list item. Respondents are asked (in Q7b) to select the place that they are most familiar with.</p><p>In a follow-up grid question (called Q8), respondents are asked questions about the place that they selected in Q7b. I would like to pipe in the text-only Internal Label from Q7List into the question text.</p><p>What would be the best way to do this in Lighthouse Studio 9.17.2?</p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[Grid Row Randomization]]></title>
            <description><![CDATA[Hello,

I have problem about randomization. I have 11 row attributes and 5 likert-scale.

The sixth attribute (Center) is a trick question. I have to randomize all of the attributes but the sixth ...]]></description>
            <link>https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/grid-row-randomization-Ahom2s5BJFLyD6a</link>
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            <dc:creator><![CDATA[Verismer]]></dc:creator>
            <pubDate>Fri, 26 Jun 2026 12:33:26 GMT</pubDate>
            <content:encoded><![CDATA[<p>Hello,</p><p>I have problem about randomization. I have 11 row attributes and 5 likert-scale.</p><p>The sixth attribute (Center) is a trick question. I have to randomize all of the attributes but the sixth attribute must be the fixed on center (Sixth position in row).</p><p>Waiting your suggestions, 🙂 </p><p>Best Regards,</p><p></p><p></p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[nested models, poor quality responses, and model fit]]></title>
            <description><![CDATA[I have two latent class analysis models. One uses all of the responses, and the other excludes poor quality responses. Would you consider the smaller model that excludes poor quality responses as ...]]></description>
            <link>https://community.sawtoothsoftware.com/general/post/nested-models-poor-quality-responses-and-model-fit-5ERJYU4uAvSntbi</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/general/post/nested-models-poor-quality-responses-and-model-fit-5ERJYU4uAvSntbi</guid>
            <category><![CDATA[Lighthouse Studio]]></category>
            <category><![CDATA[model fit]]></category>
            <category><![CDATA[poor quality responses]]></category>
            <dc:creator><![CDATA[Rebecca Zimba]]></dc:creator>
            <pubDate>Thu, 25 Jun 2026 18:13:03 GMT</pubDate>
            <content:encoded><![CDATA[<p>I have two latent class analysis models. One uses all of the responses, and the other excludes poor quality responses. Would you consider the smaller model that excludes poor quality responses as nested within the first model that includes all responses? That is, would it be appropriate to compare the log likelihoods (or any of the other fit statistics) of the two models to see which one "fits" the data better? </p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[opening already completed case]]></title>
            <description><![CDATA[Dear,

If there is a survey after the respondents finished the survey and they are completed records, but I want to add some questions to the link.

How can they open it again?

]]></description>
            <link>https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/opening-already-completed-case-tbKLJEiu3dimSQk</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/opening-already-completed-case-tbKLJEiu3dimSQk</guid>
            <dc:creator><![CDATA[Asmaa Farrag]]></dc:creator>
            <pubDate>Thu, 25 Jun 2026 13:14:37 GMT</pubDate>
            <content:encoded><![CDATA[<p>Dear,</p><p>If there is a survey after the respondents finished the survey and they are completed records, but I want to add some questions to the link.</p><p>How can they open it again?</p><p></p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[`SSI_RadioReset()` not working for graphical radio grid after upgrade to LHS 9.17]]></title>
            <description><![CDATA[Hi!

after upgrading from **Lighthouse Studio 9.15 to 9.17**, `SSI_RadioReset()` no longer seems to deselect graphical radio buttons in a grid question.

Example:

```js
SSI_RadioReset("choices_r1");
```...]]></description>
            <link>https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/ssi-radioreset-not-working-for-graphical-radio-grid-after-upgrade-to-YsqKMCMagkcY7Kf</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/ssi-radioreset-not-working-for-graphical-radio-grid-after-upgrade-to-YsqKMCMagkcY7Kf</guid>
            <category><![CDATA[JavaScript]]></category>
            <category><![CDATA[Lighthouse Studio]]></category>
            <dc:creator><![CDATA[Jens C]]></dc:creator>
            <pubDate>Thu, 25 Jun 2026 11:19:13 GMT</pubDate>
            <content:encoded><![CDATA[<pre class="language-markdown"><code class="language-markdown">Hi!

after upgrading from **Lighthouse Studio 9.15 to 9.17**, `SSI_RadioReset()` no longer seems to deselect graphical radio buttons in a grid question.

Example:

```js
SSI_RadioReset("choices_r1");
```

This worked in 9.15 and reset the first row of the grid question. In 9.17, the call does not throw an error, but the selected graphical radio button remains selected.

The question uses **graphical radio buttons**, which are enabled in the question settings. 

</code></pre><figure data-align="center" data-size="best-fit" data-id="Vakk8uTTDwQom6pgRB6Vq" data-version="v2" data-type="image"><img data-id="Vakk8uTTDwQom6pgRB6Vq" src="https://tribe-s3-production.imgix.net/Vakk8uTTDwQom6pgRB6Vq?auto=compress,format"></figure><pre class="language-markdown"><code class="language-markdown">

While debugging, I noticed that the internal reset code seems to look for an element like:

```js
choices_r1_graphical
```

but that element does not seem to exist in the generated 9.17 DOM:

</code></pre><figure data-align="center" data-size="best-fit" data-id="yhDzHuyDecs2sPBviLOJu" data-version="v2" data-type="image"><img data-id="yhDzHuyDecs2sPBviLOJu" src="https://tribe-s3-production.imgix.net/yhDzHuyDecs2sPBviLOJu?auto=compress,format"></figure><pre class="language-markdown"><code class="language-markdown">

Could you confirm whether the DOM structure for graphical radio buttons changed in 9.17, and whether `SSI_RadioReset("choices_r1")` is still supported for grid rows?

Is there a recommended replacement or workaround?

Thanks,
Jens</code></pre>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[t-ratios, standard errors, raw versus rescaled utilities, and best replicates]]></title>
            <description><![CDATA[I’m revising a manuscript to resubmit to a journal that requires “that all statistical tests be reported fully to include the test statistic, its value, and its significance.” This manuscript includes...]]></description>
            <link>https://community.sawtoothsoftware.com/general/post/t-ratios-standard-errors-raw-versus-rescaled-utilities-and-best-vvWU2qRoTZbVJPc</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/general/post/t-ratios-standard-errors-raw-versus-rescaled-utilities-and-best-vvWU2qRoTZbVJPc</guid>
            <category><![CDATA[Conjoint analysis]]></category>
            <category><![CDATA[Lighthouse Studio]]></category>
            <category><![CDATA[statistical testing]]></category>
            <dc:creator><![CDATA[Rebecca Zimba]]></dc:creator>
            <pubDate>Wed, 24 Jun 2026 14:22:10 GMT</pubDate>
            <content:encoded><![CDATA[<p>I’m revising a manuscript to resubmit to a journal that requires “that all statistical tests be reported fully to include the test statistic, its value, and its significance.” This manuscript includes results from a discrete choice experiment that we analyzed using latent class analysis. Typically I report the mean zero-centered/rescaled effects coded utilities for each class, their 95% confidence intervals, and a comparison across classes to tell whether the utilities for each level are different across class using a Wilcoxon rank sum test. I think, now, that this might be incorrect for latent class analysis, and instead I should report the t-statistics for each utility estimate that indicate, within each class and attribute, whether each utility estimate is different from zero. However, when I export the raw utilities and class membership into R and compute the means and standard deviations or variances, I can’t recover the standard error or t-ratios that Sawtooth includes in the Export Report summary from the standard deviation or variance. I am using the gtsummary package in R to summarize the individual-level utilities from Lighthouse Studio (that is, I am not using a package in R to re-estimate the utilities, I am just summarizing the outout from Lighthouse Studio).</p><p>My questions:</p><ol type="1"><li><p>The estimates in the Export Report summary file for a given solution are from the “best replication.” Are the individual-level values exported from the Data Management window also from the best replication?</p></li><li><p>If the individual-level values are from the best replication, should I be able to get the same summary values for each utility and standard error by summarizing in a different application? If not, why not?  </p></li><li><p>How do I calculate the standard errors and t-ratios from either the individual-level raw utility or rescaled utility values exported from the Data Management window? I have seen other posts that mention the standard definition of standard error (standard deviation/square root of sample size) and an alternative calculation (square root of variance). Is there other output I need to be using? If so, how do I get it?</p></li><li><p>Are the t-ratios calculated using the raw utility estimates equivalent to t-ratios that would be calculated using rescaled utility estimates? Because the rescaled utilities may be dispersed differently around zero than raw utilities, I didn't want to assume that the statistical tests would be the same for both sets of utilities. </p></li><li><p>As a point of clarification, in Chapter 12 of "Becoming an Expert in Conjoint Analysis," the text refers to coefficients and part-worth utilities, but the Exhibits use the word "Effect." Are these terms all synonymous? In the output from Sawtooth, when is something called or interpreted as a "coefficient," an "effect," and/or as a "part-worth utility"?</p></li></ol><p>&nbsp;FWIW, I’m running Lighthouse Studio 9.16.16. Thanks in advance for your help! </p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[How to create signature question?]]></title>
            <description><![CDATA[Hi Sawtooth team,

How can I create a question that allow respondent can sign on it during interview? Please check my attach.

If not, do you have any way?]]></description>
            <link>https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/how-to-create-signature-question-MbaLVwq5YCp9HSJ</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/lighthouse-studio-22sfgfix/post/how-to-create-signature-question-MbaLVwq5YCp9HSJ</guid>
            <category><![CDATA[Lighthouse Studio]]></category>
            <dc:creator><![CDATA[Saroeun Chum]]></dc:creator>
            <pubDate>Mon, 22 Jun 2026 10:04:43 GMT</pubDate>
            <content:encoded><![CDATA[<p>Hi Sawtooth team,</p><p>How can I create a question that allow respondent can sign on it during interview? Please check my attach.</p><attachment data-id="L58Y8MBNtskWfwrcJTkAP" data-type="attachment"></attachment><p>If not, do you have any way?</p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[Sawtooth Programming Support for Adaptive Conjoint (ACBC)]]></title>
            <description><![CDATA[Hello,

I work with Escalent, a prominent global research firm. We have a project that requires an Adaptive Conjoint module within the survey. We need support programming this module and running the ...]]></description>
            <link>https://community.sawtoothsoftware.com/general/post/sawtooth-programming-support-for-adaptive-conjoint-acbc-OgJnioWNAPsXu1h</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/general/post/sawtooth-programming-support-for-adaptive-conjoint-acbc-OgJnioWNAPsXu1h</guid>
            <dc:creator><![CDATA[Alan Czarnomski]]></dc:creator>
            <pubDate>Thu, 18 Jun 2026 18:09:38 GMT</pubDate>
            <content:encoded><![CDATA[<p>Hello,<br><br>I work with Escalent, a prominent global research firm.  We have a project that requires an Adaptive Conjoint module within the survey.  We need support programming this module and running the utilities.  We have resources who can take care of the front end and back end programming but just don't have the direct experience with the Sawtooth ACBC tool.  </p><p>Any programmers, freelance or otherwise, who might be in a position to help out for a fee?  We're on a budget but can hopefully work something out that's a win-win.<br><br>Thank you,<br>Alan</p>]]></content:encoded>
        </item>
        <item>
            <title><![CDATA[MaxDiff with a limited number of items per respondent]]></title>
            <description><![CDATA[We would like to conduct a MaxDiff study with a total of 17 items, with the goal of obtaining an importance ranking of these items, both at the aggregate level and at the respondent level.

Data ...]]></description>
            <link>https://community.sawtoothsoftware.com/general/post/maxdiff-with-a-limited-number-of-items-per-respondent-TnhG5OlYTAhcmFp</link>
            <guid isPermaLink="true">https://community.sawtoothsoftware.com/general/post/maxdiff-with-a-limited-number-of-items-per-respondent-TnhG5OlYTAhcmFp</guid>
            <category><![CDATA[Express MaxDiff]]></category>
            <category><![CDATA[MaxDiff]]></category>
            <dc:creator><![CDATA[Lisa Barbier]]></dc:creator>
            <pubDate>Wed, 17 Jun 2026 14:56:07 GMT</pubDate>
            <content:encoded><![CDATA[<p>We would like to conduct a MaxDiff study with a total of 17 items, with the goal of obtaining an importance ranking of these items, both at the aggregate level and at the respondent level.</p><p>Data collection will be done via telephone interviews, which limits the number of items per task. Therefore, we want to keep the design to 3 items per screen. 17 items per respondent may be too many, so we are considering showing each respondent only a random subset of 12 items.</p><p>We are considering implementing this using <em>Express MaxDiff</em> &nbsp;where not all items are shown to each respondent.</p><p>My questions are:</p><ul><li><p>Is Express MaxDiff an appropriate approach in this case, even though it is typically used for larger item sets (e.g., &gt;40 items)?</p></li><li><p>With this setup, can we still obtain respondent-level output?</p></li></ul>]]></content:encoded>
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