{
    "slug": "visalli-chocolate-2022",
    "source_label": "Visalli et al. (2022) — Dark chocolate panel",
    "source_url": "https:\/\/data.mendeley.com\/datasets\/fshtbhffth\/1",
    "license": "CC-BY 4.0",
    "fielded_at": "2022-10-03",
    "methodology": "survey",
    "n_respondents": 424,
    "disclosure": {
        "license": "CC-BY 4.0. Attribution: Visalli M. et al. (2022). https:\/\/data.mendeley.com\/datasets\/fshtbhffth\/1",
        "weights": "Unweighted hedonic. 9-point discrete scale, single rating per product per consumer. Anchor labels not in the paper body — pending .xlsx codebook inspection.",
        "screener": "Recruited by gender, age, and dark-chocolate consumption frequency. Excluded: allergy, restrictive diet, vulnerable persons, pregnant women. Source: Visalli et al. (2022), PMC9679663.",
        "fieldwork": "Dijon and vicinity, France. Specific collection dates not published in PMC9679663. Mendeley release: 2022-10-03.",
        "coding_rules": "Hedonic survey, not FGI. No moderator guide. The temporal methods (TDS, TCATA, AEF, FC-AEF) in the same paper are out of scope for this paired comparison.",
        "likert_labels": "9-point discrete checkbox scale, end-anchored only. Anchor 1 = \"I did not like it at all\". Anchor 9 = \"I liked it very much\". Points 2-8 unlabelled (equal-interval assumption).",
        "question_text": "On a scale of 1 to 9, how do you like this chocolate? — single hedonic rating per chocolate per consumer. Source: questionnaire.pdf p.18 (Mendeley fshtbhffth\/1). Screen [7] reused for chocolate per q.txt:162-163 (\"Same as screens 4 to 12 with chocolate\")."
    },
    "questions": [
        {
            "question_template_slot": "hedonic_ch1_madagascar_85",
            "prompt_text": "How much do you like this dark chocolate? (CH1 — 85% cocoa, Madagascar)",
            "ground_truth_mean": 2.846,
            "ground_truth_ci_lower": 2.736,
            "ground_truth_ci_upper": 2.955,
            "ground_truth_sd": 1.146,
            "ground_truth_skewness": -0.001,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 43,
                "2": 49,
                "3": 57,
                "4": 47,
                "5": 52,
                "6": 72,
                "7": 51,
                "8": 37,
                "9": 16
            },
            "n_respondents": 424,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 4.691, SD 2.295. CI95 by normal approx (n=424)."
        },
        {
            "question_template_slot": "hedonic_ch2_equator_80",
            "prompt_text": "How much do you like this dark chocolate? (CH2 — 80% cocoa, Equator)",
            "ground_truth_mean": 3.427,
            "ground_truth_ci_lower": 3.332,
            "ground_truth_ci_upper": 3.522,
            "ground_truth_sd": 0.999,
            "ground_truth_skewness": -0.547,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 12,
                "2": 19,
                "3": 29,
                "4": 45,
                "5": 61,
                "6": 61,
                "7": 109,
                "8": 61,
                "9": 27
            },
            "n_respondents": 424,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.854, SD 2.001."
        },
        {
            "question_template_slot": "hedonic_ch3_peru_70",
            "prompt_text": "How much do you like this dark chocolate? (CH3 — 70% cocoa, Peru)",
            "ground_truth_mean": 3.104,
            "ground_truth_ci_lower": 2.996,
            "ground_truth_ci_upper": 3.212,
            "ground_truth_sd": 1.135,
            "ground_truth_skewness": -0.309,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 33,
                "2": 36,
                "3": 41,
                "4": 46,
                "5": 45,
                "6": 77,
                "7": 81,
                "8": 43,
                "9": 22
            },
            "n_respondents": 424,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.208, SD 2.272."
        },
        {
            "question_template_slot": "hedonic_ch4_civ_74",
            "prompt_text": "How much do you like this dark chocolate? (CH4 — 74% cocoa, Côte d'Ivoire)",
            "ground_truth_mean": 3.419,
            "ground_truth_ci_lower": 3.317,
            "ground_truth_ci_upper": 3.52,
            "ground_truth_sd": 1.068,
            "ground_truth_skewness": -0.613,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 22,
                "2": 15,
                "3": 31,
                "4": 45,
                "5": 46,
                "6": 66,
                "7": 98,
                "8": 71,
                "9": 30
            },
            "n_respondents": 424,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.837, SD 2.139. CH4_rep (repeat) excluded from this row."
        }
    ]
}