{
    "slug": "visalli-icetea-2022",
    "source_label": "Visalli et al. (2022) — Iced tea 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 ice-tea 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 iced tea? — single hedonic rating per ice tea per consumer. Source: questionnaire.pdf p.18 (Mendeley fshtbhffth\/1). Screen [7] reused for ice tea per q.txt:99 (\"Screens 4 to 8 repeated for all ice tea samples\")."
    },
    "questions": [
        {
            "question_template_slot": "hedonic_it1_blacktea_peach_4_7g",
            "prompt_text": "How much do you like this iced tea? (IT1 — black tea, white peach, 4.7 g sugar)",
            "ground_truth_mean": 3.461,
            "ground_truth_ci_lower": 3.376,
            "ground_truth_ci_upper": 3.546,
            "ground_truth_sd": 0.9,
            "ground_truth_skewness": -0.659,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 6,
                "2": 17,
                "3": 34,
                "4": 30,
                "5": 60,
                "6": 98,
                "7": 112,
                "8": 63,
                "9": 16
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 5.922, SD 1.803. CI95 by normal approx (n=436)."
        },
        {
            "question_template_slot": "hedonic_it2_whitetea_peach_rosemary_4_5g",
            "prompt_text": "How much do you like this iced tea? (IT2 — white tea, peach and rosemary, 4.5 g sugar)",
            "ground_truth_mean": 2.436,
            "ground_truth_ci_lower": 2.342,
            "ground_truth_ci_upper": 2.53,
            "ground_truth_sd": 1.001,
            "ground_truth_skewness": 0.498,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 52,
                "2": 65,
                "3": 100,
                "4": 68,
                "5": 56,
                "6": 41,
                "7": 30,
                "8": 18,
                "9": 6
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 3.872, SD 2.005."
        },
        {
            "question_template_slot": "hedonic_it3_blacktea_peach_sweeteners_4_3g",
            "prompt_text": "How much do you like this iced tea? (IT3 — black tea, peach, sweeteners, 4.3 g sugar)",
            "ground_truth_mean": 2.987,
            "ground_truth_ci_lower": 2.878,
            "ground_truth_ci_upper": 3.096,
            "ground_truth_sd": 1.16,
            "ground_truth_skewness": -0.126,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 35,
                "2": 50,
                "3": 49,
                "4": 46,
                "5": 62,
                "6": 56,
                "7": 62,
                "8": 61,
                "9": 15
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 4.975, SD 2.322. IT3_rep (carryover repeat) excluded from this row."
        },
        {
            "question_template_slot": "hedonic_it4_blacktea_peach_sweeteners_0g",
            "prompt_text": "How much do you like this iced tea? (IT4 — black tea, peach, sweeteners only, 0 g sugar)",
            "ground_truth_mean": 2.548,
            "ground_truth_ci_lower": 2.431,
            "ground_truth_ci_upper": 2.665,
            "ground_truth_sd": 1.247,
            "ground_truth_skewness": 0.344,
            "ground_truth_shape": "multimodal-symmetric",
            "ground_truth_distribution": {
                "1": 85,
                "2": 68,
                "3": 55,
                "4": 54,
                "5": 30,
                "6": 41,
                "7": 52,
                "8": 35,
                "9": 16
            },
            "n_respondents": 436,
            "weighting_notes": "Unweighted hedonic. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 4.096, SD 2.496."
        }
    ]
}