{
    "slug": "visalli-guacamole-2022",
    "source_label": "Visalli et al. (2022) — Guacamole panel",
    "source_url": "https:\/\/data.mendeley.com\/datasets\/fshtbhffth\/1",
    "license": "CC-BY 4.0",
    "fielded_at": "2022-10-03",
    "methodology": "survey",
    "n_respondents": 436,
    "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 guacamole 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 guacamole? — single hedonic rating per guacamole per consumer. Source: questionnaire.pdf p.18 (Mendeley fshtbhffth\/1). Screen [7] reused for guacamole per q.txt:140-143 (\"Same as screens 4 to 12 with guacamole\")."
    },
    "questions": [
        {
            "question_template_slot": "hedonic_g1_avocado_92_fat_16",
            "prompt_text": "How much do you like this guacamole? (G1 — 92% avocado, 16 g fat)",
            "ground_truth_mean": 3.127,
            "ground_truth_ci_lower": 3.018,
            "ground_truth_ci_upper": 3.237,
            "ground_truth_sd": 1.163,
            "ground_truth_skewness": -0.263,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 31,
                "2": 40,
                "3": 45,
                "4": 53,
                "5": 39,
                "6": 64,
                "7": 83,
                "8": 56,
                "9": 25
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.255, SD 2.327. G1_rep (carryover repeat) excluded from this row."
        },
        {
            "question_template_slot": "hedonic_g2_avocado_13_fat_95",
            "prompt_text": "How much do you like this guacamole? (G2 — 13% avocado, 9.5 g fat)",
            "ground_truth_mean": 3.073,
            "ground_truth_ci_lower": 2.956,
            "ground_truth_ci_upper": 3.19,
            "ground_truth_sd": 1.247,
            "ground_truth_skewness": -0.14,
            "ground_truth_shape": "multimodal-symmetric",
            "ground_truth_distribution": {
                "1": 42,
                "2": 42,
                "3": 51,
                "4": 44,
                "5": 43,
                "6": 55,
                "7": 67,
                "8": 53,
                "9": 39
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.147, SD 2.494."
        },
        {
            "question_template_slot": "hedonic_g3_avocado_90_fat_146",
            "prompt_text": "How much do you like this guacamole? (G3 — 90% avocado, 14.6 g fat)",
            "ground_truth_mean": 2.421,
            "ground_truth_ci_lower": 2.319,
            "ground_truth_ci_upper": 2.523,
            "ground_truth_sd": 1.084,
            "ground_truth_skewness": 0.405,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 78,
                "2": 62,
                "3": 73,
                "4": 61,
                "5": 59,
                "6": 41,
                "7": 33,
                "8": 23,
                "9": 6
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 3.842, SD 2.168."
        },
        {
            "question_template_slot": "hedonic_g4_avocado_95_fat_18",
            "prompt_text": "How much do you like this guacamole? (G4 — 95% avocado, 18 g fat)",
            "ground_truth_mean": 3.509,
            "ground_truth_ci_lower": 3.408,
            "ground_truth_ci_upper": 3.611,
            "ground_truth_sd": 1.083,
            "ground_truth_skewness": -0.533,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 15,
                "2": 18,
                "3": 36,
                "4": 39,
                "5": 47,
                "6": 72,
                "7": 84,
                "8": 71,
                "9": 54
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 6.018, SD 2.165."
        }
    ]
}