mikemoi
86 lines
2.3 KiB
TypeScript
86 lines
2.3 KiB
TypeScript
import {
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BigFiveDomain,
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IpipNeoItem,
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ipipNeo120Items,
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ipipNeo300Items,
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} from '@/questionairies/bigfive/neo-data';
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const reverseItems = new Set([
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2, 4, 6, 8, 10, 12, 16, 18, 19, 20, 22, 24, 26, 28, 29, 30, 32, 34,
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36, 38, 39, 44, 46, 48, 49,
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]);
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const dimensions = {
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extraversion: [1, 6, 11, 16, 21, 26, 31, 36, 41, 46],
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agreeableness: [2, 7, 12, 17, 22, 27, 32, 37, 42, 47],
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conscientiousness: [3, 8, 13, 18, 23, 28, 33, 38, 43, 48],
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emotionalStability: [4, 9, 14, 19, 24, 29, 34, 39, 44, 49],
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openness: [5, 10, 15, 20, 25, 30, 35, 40, 45, 50],
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};
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export function calculateBigFiveResults(answers: string[]) {
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const scoreItem = (questionId: number) => {
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const raw = Number(answers[questionId - 1] || 0);
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if (!raw) return 0;
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return reverseItems.has(questionId) ? 6 - raw : raw;
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};
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return Object.fromEntries(
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Object.entries(dimensions).map(([key, items]) => {
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const score = items.reduce((sum, item) => sum + scoreItem(item), 0);
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return [
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key,
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{
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score,
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average: score / items.length,
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},
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];
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}),
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);
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}
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export const ipipNeoItemsByVersion = {
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120: ipipNeo120Items,
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300: ipipNeo300Items,
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} as const;
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export function calculateIpipNeoResults(
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answers: string[],
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items: IpipNeoItem[],
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) {
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const domainTotals = new Map<BigFiveDomain, { score: number; count: number }>();
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const facetTotals = new Map<string, { score: number; count: number }>();
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items.forEach((item, index) => {
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const raw = Number(answers[index] || 0);
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const score = raw ? (item.reverse ? 6 - raw : raw) : 0;
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const domain = domainTotals.get(item.domain) || { score: 0, count: 0 };
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domain.score += score;
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domain.count += 1;
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domainTotals.set(item.domain, domain);
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const facet = facetTotals.get(item.facet) || { score: 0, count: 0 };
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facet.score += score;
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facet.count += 1;
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facetTotals.set(item.facet, facet);
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});
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const toResults = (totals: Map<string, { score: number; count: number }>) =>
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Object.fromEntries(
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[...totals.entries()].map(([key, value]) => [
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key,
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{
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score: value.score,
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average: value.count ? value.score / value.count : 0,
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itemCount: value.count,
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},
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]),
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);
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return {
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domains: toResults(domainTotals),
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facets: toResults(facetTotals),
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};
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}
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