{
    "slug": "visalli-crisps-2022",
    "source_label": "Visalli et al. (2022) — Crisps panel",
    "source_url": "https:\/\/data.mendeley.com\/datasets\/fshtbhffth\/1",
    "license": "CC-BY 4.0",
    "fielded_at": "2022-10-03",
    "methodology": "survey",
    "n_respondents": 427,
    "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 taken from questionnaire.pdf p.18 — only end-points (1 and 9) are named.",
        "screener": "Recruited by gender, age, and crisps 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 crisp? — single hedonic rating per crisp per consumer. Source: questionnaire.pdf p.18 (Mendeley fshtbhffth\/1). Screen [7] reused for crisps per q.txt:152 (\"Same as screens 4 to 12 with crisps\")."
    },
    "questions": [
        {
            "question_template_slot": "hedonic_c1_fat_34_salt_1_3",
            "prompt_text": "How much do you like this crisp? (C1 — 34 g fat, 1.3 g salt)",
            "ground_truth_mean": 3.625,
            "ground_truth_ci_lower": 3.541,
            "ground_truth_ci_upper": 3.71,
            "ground_truth_sd": 0.893,
            "ground_truth_skewness": -0.586,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 2,
                "2": 9,
                "3": 27,
                "4": 49,
                "5": 39,
                "6": 73,
                "7": 115,
                "8": 83,
                "9": 30
            },
            "n_respondents": 427,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 6.251, SD 1.786. C1_rep (carryover repeat) excluded from this row."
        },
        {
            "question_template_slot": "hedonic_c2_fat_239_salt_152",
            "prompt_text": "How much do you like this crisp? (C2 — 23.9 g fat, 1.52 g salt)",
            "ground_truth_mean": 3.27,
            "ground_truth_ci_lower": 3.174,
            "ground_truth_ci_upper": 3.367,
            "ground_truth_sd": 1.013,
            "ground_truth_skewness": -0.292,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 8,
                "2": 30,
                "3": 44,
                "4": 51,
                "5": 64,
                "6": 67,
                "7": 83,
                "8": 61,
                "9": 19
            },
            "n_respondents": 427,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.541, SD 2.026."
        },
        {
            "question_template_slot": "hedonic_c3_fat_29_salt_1_sea",
            "prompt_text": "How much do you like this crisp? (C3 — 29 g fat, 1 g sea salt)",
            "ground_truth_mean": 2.957,
            "ground_truth_ci_lower": 2.844,
            "ground_truth_ci_upper": 3.07,
            "ground_truth_sd": 1.19,
            "ground_truth_skewness": 0.087,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 27,
                "2": 58,
                "3": 56,
                "4": 64,
                "5": 43,
                "6": 46,
                "7": 52,
                "8": 53,
                "9": 28
            },
            "n_respondents": 427,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 4.913, SD 2.380."
        },
        {
            "question_template_slot": "hedonic_c4_fat_34_salt_010",
            "prompt_text": "How much do you like this crisp? (C4 — 34 g fat, 0.10 g salt)",
            "ground_truth_mean": 1.974,
            "ground_truth_ci_lower": 1.878,
            "ground_truth_ci_upper": 2.071,
            "ground_truth_sd": 1.019,
            "ground_truth_skewness": 1.105,
            "ground_truth_shape": "right-skewed",
            "ground_truth_distribution": {
                "1": 133,
                "2": 89,
                "3": 72,
                "4": 50,
                "5": 27,
                "6": 20,
                "7": 19,
                "8": 9,
                "9": 8
            },
            "n_respondents": 427,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 2.948, SD 2.039."
        }
    ]
}