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Tags: Psychology , Psychometrics
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Positive and negative affect are broad mood dimensions that reflect how you felt across the past week. The short form of the schedule uses ten everyday emotion words to build a weekly mood tracker in two totals.

You read each word and choose one of five options from Very slight or not at all to Extremely so your selections combine into two sums. You then see the totals and a simple balance label that shows which side is stronger.

If you feel attentive and active on most days but rarely feel nervous or afraid the positive total will likely exceed the negative and the balance will lean positive. Scores describe the past seven days and can shift with sleep stress or context.

For clearer comparisons use the same time frame each week and answer in one sitting. When a result seems unusual repeat the check later the same day for stability. Responses stay on this device and nothing is uploaded. This tool provides informational estimates and does not substitute professional advice.

Technical Details:

The Positive and Negative Affect Schedule, short form (PANAS‑SF), records ten self‑ratings over the past week and yields two indices: Positive Affect (PA) and Negative Affect (NA). Each item is rated on a five‑point intensity scale and contributes equally to its respective index.

PA is the sum of five positive emotion items; NA is the sum of five negative emotion items. A total score T summarizes overall intensity, and the Affect Balance Index (ABI) highlights tilt by subtracting NA from PA.

Results are interpreted with simple bands. PA is described as high, average, or low from its sum; NA is described as low, average, or high from its sum. ABI identifies a Positive tilt, a Balanced profile, or a Negative tilt using fixed cut points.

The schedule captures a weekly snapshot. Comparisons are most meaningful within the same person over consistent intervals and conditions.

PA= ∑ i=1 x1 +x2 +x3 +x4 +x5
NA= ∑ i=1 y1 +y2 +y3 +y4 +y5
T=PA+NA
ABI=PA−NA
Symbol Meaning Unit/Datatype Source
xi Positive item rating integer 1–5 Input
yi Negative item rating integer 1–5 Input
PA Positive Affect sum score Derived
NA Negative Affect sum score Derived
T Total affect sum score Derived
ABI Affect Balance Index score Derived
Worked example

Suppose the five positive items are 4, 3, 4, 3, 2 and the five negative items are 2, 2, 1, 3, 2.

PA=4+3+4+3+2=16 NA=2+2+1+3+2=10 ABI=16−10=6

PA is average, NA is low, and ABI indicates a Positive tilt.

PA Band Lower Upper Interpretation
High 21 25 Elevated positive mood
Average 15 20 Typical range
Low 5 14 Quieter positives
NA Band Lower Upper Interpretation
Low 5 10 Fewer negatives
Average 11 15 Typical range
High 16 25 More frequent negatives
Field Type Min Max Step/Pattern Error Text Placeholder
Item rating Integer 1 5 Step 1 — —
Share code r String — — ^[1-5\-]{10}$ (ten chars; - for unanswered) Invalid codes are ignored —
Input Accepted Families Output Encoding/Precision Rounding
Ten emotion ratings Five‑point scale per item PA, NA, T, ABI, tilt label, donut chart Integer sums; share code r with ten digits Exact integers; no rounding
Completed responses — Copy CSV, Download CSV, Export DOCX Generated locally Not applicable

Networking & storage: Processing is client‑only; responses remain on the device. A charting library may load from a public CDN, but no user ratings are transmitted.

Diagnostics & determinism: Identical ratings always produce the same PA, NA, T, and ABI. Invalid share codes are ignored without altering current answers.

Assumptions & limitations

  • Weekly recall window only; not momentary assessment.
  • Ten items with equal weight; no reverse scoring.
  • Cut points are fixed band definitions, not norms.
  • ABI tilt uses ±5 points; values near 0 are balanced.
  • Self‑report is sensitive to context and timing.
  • Results depend on completing all items.
  • Sharing the URL can reveal responses via the code.
  • Chart proportions are illustrative, not normative.
  • Comparisons across people can be misleading.
  • Heads‑up High or low bands do not diagnose a condition.

Edge cases & error sources

  • Unanswered items prevent scoring and charting.
  • Accidental misclicks shift sums by whole points.
  • Editing a share code to an invalid pattern is ignored.
  • Refreshing without the share code clears in‑page state.
  • Percent labels in the chart may round visually.
  • Very uniform answers compress ABI near zero.
  • Copying CSV into a text editor removes table styling.
  • Download blockers can suppress file exports.
  • Private browsing modes may affect saved URL history.
  • Locale settings do not change the 1 to 5 scale.

Step‑by‑Step Guide:

Positive and Negative Affect ratings are captured first, then summarized as PA, NA, T, and ABI.

  1. Begin and confirm the past‑week frame past week.
  2. Read each emotion word carefully.
  3. Select one rating from Very slight or not at all to Extremely.
  4. Answer all ten items complete 10.
  5. Review PA and NA totals and the balance label.
  6. Optionally copy CSV, download CSV, or export DOCX.
  7. Repeat weekly to compare changes over time.

Example: Five positives averaging 3 and five negatives averaging 2 yield PA 15, NA 10, ABI +5 with a Positive tilt.

  • Use the same day and time each week for consistency.
  • If a value seems off, re‑read the item then re‑rate.

When finished, note your takeaway and plan one small next step.

FAQ:

Is my data stored?

Responses stay on the device; nothing is uploaded or saved to a server. Sharing the result URL is optional and under your control.

Privacy applies to ratings and exports.
What exactly is measured?

Two sums: Positive Affect and Negative Affect. A total intensity and an Affect Balance Index summarize strength and tilt.

All items carry equal weight.
How accurate is the result?

It reflects self‑reported feelings over a week using fixed bands. Expect normal day‑to‑day variation; track trends rather than single points.

Not a diagnosis.
Can I use it without a connection?

Calculations run in the browser and do not send data. Loading the page and its chart script may require a connection.

Availability depends on your device and cache.
How do I export my responses?

After completing all items, use Copy CSV, Download CSV, or Export DOCX in the responses section.

Files are generated locally.
What does a borderline result mean?

Scores near a band edge can flip with a one‑point change. Treat them as tentative and look at patterns across several weeks.

Context matters.
How do I share a result?

Use the address bar link that contains a short code. Share only if comfortable, since the code can reflect your ratings.

You control distribution.
Is there any licensing or cost?

No payment or account prompts are implemented in this package. Use is subject to the terms of the site hosting the tool.

Check local policies if needed.

Troubleshooting:

  • Results do not appear: ensure all ten items are answered.
  • Chart missing: complete the questionnaire, then scroll to the results area.
  • CSV looks odd: import as comma‑separated with one header row.
  • DOCX does not download: allow downloads and try again after completion.
  • Share link shows no answers: the code may be invalid; retake or copy the full link.
  • Totals seem wrong: recheck each rating; sums update immediately after changes.

Advanced Tips:

  • Anchor ratings to the same weekday to reduce variability.
  • Rate in one session to keep context consistent.
  • Note significant events that may explain shifts.
  • Track ABI changes to spot sustained tilts.
  • Consider morning ratings for week‑to‑week comparability.
  • Use exports sparingly and store them securely.

Glossary:

Positive Affect (PA)
Sum of the five positive emotion ratings.
Negative Affect (NA)
Sum of the five negative emotion ratings.
Total (T)
Overall intensity, PA plus NA.
Affect Balance Index (ABI)
Difference between PA and NA indicating tilt.
Tilt label
Positive, Balanced, or Negative based on ABI.
Five‑point scale
Options from Very slight or not at all to Extremely.
Share code r
Ten‑character string encoding item ratings.