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Every row below keeps the original response, keying direction, and keyed score that feeds the three SD3 trait means.
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The current URL stores the encoded response pattern in the r parameter together with the advanced settings so the same SD3 run can be reopened later.
The Short Dark Triad, usually shortened to SD3, is a brief self-report measure of three socially aversive personality tendencies: Machiavellianism, narcissism, and psychopathy. In ordinary language, that means the page is checking for a more strategic and guarded style, a more attention- and status-focused style, and a more tough, retaliatory, or low-restraint style without treating any result as a medical finding.
This version asks all 27 SD3 statements, scores each trait on the same 1 to 5 agreement scale, and then shows the finished profile as three separate means rather than one combined darkness score. The result panel highlights the highest trait, the lowest trait, the spread across the profile, the largest gap from an optional comparison frame, and the individual items that contributed the strongest and weakest keyed signals.
That makes the page useful for structured reflection when you want to compare how you usually approach influence, recognition, retaliation, and risk across similar settings. It is a better fit for self-observation and repeated same-instrument check-ins than for judging another person, screening for danger, or declaring a fixed character verdict.
Use the finished profile as a description of current self-report patterns. Do not use it to diagnose narcissistic personality disorder, antisocial personality disorder, or any other clinical condition.
The SD3 was introduced as a short measure of the Dark Triad for research settings, with nine items per trait and a 1 to 5 response scale from strongly disagree to strongly agree. This page follows that structure closely: it keeps the three traits separate, recodes the reverse-worded items, averages each nine-item set, and waits for all 27 answers before treating the profile as complete.
The built-in comparison frame uses the original validation-sample means shown in the SD3 paper: about 3.1 for Machiavellianism, 2.8 for narcissism, and 2.4 for psychopathy. Those values are helpful anchors, but they are not universal published cutoffs. A recent review of the measure notes that formal norms for individual interpretation remain limited, so this page correctly treats the comparison line as context rather than as a pass-fail rule.
Each trait mean is calculated as the average of its keyed items after any required reversals.
| Trait | Items | Reverse-scored items | What a higher mean usually reflects |
|---|---|---|---|
| Machiavellianism | 1 to 9 | None | More strategic manipulation, guarded disclosure, leverage tracking, and indirect payback thinking. |
| Narcissism | 10 to 18 | 11, 15, 17 | More attention seeking, status sensitivity, self-importance, and insistence on recognition or respect. |
| Psychopathy | 19 to 27 | 20, 25 | More retaliation, lower restraint, higher risk tolerance, and a tougher or colder style under conflict. |
| Comparison frame | Values used | Best use |
|---|---|---|
| Validation-sample means | Mach 3.1, Narc 2.8, Psych 2.4 | Shows how each trait mean sits relative to the original SD3 sample averages. |
| Scale midpoint | 3.0 for all three traits | Gives one neutral reference line when you want a simpler visual check. |
| No comparison line | Direct 1 to 5 means only | Keeps the read focused on the shape of your own profile without outside anchors. |
Answer for your usual pattern in a reasonably familiar context. The SD3 is sensitive to mood, role, conflict, and image management, so a profile filled out after one argument or one unusually stressful week can look more dramatic than your broader pattern. The page itself hints at this by offering a recheck window instead of implying one sitting should settle the question.
Start with the shape, not the most provocative item. A finished result is easiest to read when you compare the top trait, the lowest trait, the spread, and the optional baseline together. A sharp spread means one style is standing out clearly. A flatter shape means the ranking matters less than the overall cluster.
The advanced controls are there to help you frame the same numbers in different practical ways. The interpretation lens changes whether the guidance talks about everyday behavior, workplace behavior, or close relationships. The guide focus changes whether the follow-up text leans toward guardrails, strengths, or balance. Neither control changes scoring. Only the wording of the reflection guidance changes.
The page does not produce a diagnosis, a percentile, or a universal risk tier. It produces three trait means and then adds descriptive page-level labels to make those numbers easier to scan. That distinction matters. The wording is useful shorthand, but the actual evidence is still the three means, the profile spread, and the item pattern underneath them.
Because the SD3 is brief and self-reported, overconfidence is the main interpretation mistake. The most sensible read is usually modest: which style leads, how far apart the traits are, whether the profile is stable when retaken in a similar setting, and whether the same few items keep driving the result. If a score feels surprising, use that as a reason to inspect the item ledger rather than to jump straight to a global conclusion.
| Result pattern | Usually means | What not to infer |
|---|---|---|
| One trait leads with a sharp spread | One of the three dark-triad styles is more prominent than the others in this run. | It does not prove a fixed identity or a disorder. |
| All three means sit close together | The profile is more balanced, so the exact winner matters less than the overall level and context. | It does not mean the traits are identical or equally important in real life. |
| Large gap from the selected baseline | The chosen comparison frame is changing how dramatic the profile looks. | It does not turn the baseline into a clinical cutoff. |
| One or two standout items dominate attention | Those answers are contributing strongly and deserve a closer look in context. | They should not replace the full nine-item trait mean. |
| Where the label comes from | Threshold used by the page | Label shown |
|---|---|---|
| Profile spread | 0.00 to 0.25 | Even spread |
| Profile spread | 0.26 to 0.60 | Moderate spread |
| Profile spread | Above 0.60 | Sharp spread |
| Comparison frame on | At least 0.75 above or below the chosen anchor | Clearer tilt above reference or clearer tilt below reference |
| Comparison frame on | 0.25 to 0.74 above or below the chosen anchor | Above reference or below reference |
| Comparison frame off | 4.00 and above, 3.25 to 3.99, 2.75 to 3.24, 2.00 to 2.74, below 2.00 | Higher endorsement, above midpoint, near midpoint, below midpoint, lower endorsement |
Suppose the finished means are Machiavellianism 3.78, narcissism 2.82, and psychopathy 2.31 with the validation-sample frame turned on. The sensible reading is that strategic guardedness and leverage-minded thinking are more prominent than admiration seeking or impulsive callousness in this run. The key follow-up question is where that strategic style is useful and where it starts turning into indirectness or scorekeeping.
If the three means fall between about 2.8 and 3.1, the page will read the spread as even or moderate. That is a cue to avoid dramatic labels. The more useful takeaway is that no single style clearly dominates, so context and repeated measurement matter more than one eye-catching item.
If you keep the same answers but switch from the validation-sample frame to no comparison line, the trait means do not move at all. What changes is the language around them. The app stops talking about distance from a reference anchor and puts more weight on the relative shape of the three means themselves.
No. The SD3 is a brief self-report measure of subclinical personality tendencies. It is not a clinical disorder screen, and this page does not claim otherwise.
Self-report answers can shift with context, recent conflict, stress, defensiveness, and the setting you had in mind while answering. Retesting is most useful when you compare similar roles or periods rather than unrelated situations.
The interpretation lens and guide focus only change the reflection wording. The comparison frame changes the reference line and status wording. Your actual trait means stay the same unless you change answers.
Scoring stays in the browser. The page encodes the response pattern and advanced settings into the URL so the same run can be reopened later, which means shared links should be treated as sensitive. The chart itself is rendered with a public script loaded by the page.
Yes. The page can export the profile map as PNG, WebP, JPEG, or CSV, export the answered item ledger as CSV or DOCX, and copy or download a structured JSON record of the completed run.