{
    "slug": "ifish-tilapia-laos-nov-2021",
    "source_label": "iFishIENCi (Nov 2021) — Tilapia Laos feed-system panel",
    "source_url": "https:\/\/zenodo.org\/records\/10842711",
    "license": "CC-BY 4.0",
    "fielded_at": "2021-11-01",
    "methodology": "survey",
    "n_respondents": 15,
    "disclosure": {
        "license": "CC-BY 4.0. Attribution: Rost, A. et al., ttz Bremerhaven (2024), iFishIENCi D3.6 sensory analysis. https:\/\/zenodo.org\/records\/10842711",
        "weights": "Unweighted hedonic. 9-point discrete scale per ASTM\/ISO 11036. Single rating per product per panellist per attribute. Only general impression is paired here.",
        "screener": "Consumer\/sensory panel recruited by LARReC (Living Aquatic Resources Centre) in Laos for the iFishIENCi project D3.6, second wave. Specific inclusion criteria not in the public spreadsheet; see project deliverable PDF at https:\/\/ifishienci.eu\/wp-content\/uploads\/2024\/01\/iFishIENCi_D3.6.pdf.",
        "fieldwork": "Laos (LARReC). Fieldwork month: 2021-11 (from filename _11.2021). Second wave of the same panel; adds a Bioactive arm.",
        "coding_rules": "Hedonic survey by trained consumer panel, not FGI. No moderator guide. Carryover order and serving were balanced per the iFishIENCi protocol.",
        "likert_labels": "9-point hedonic per ASTM\/ISO 11036 standard (Peryam–Pilgrim 1957). 1 = \"dislike extremely\". 5 = \"neither like nor dislike\". 9 = \"like extremely\". Labels not embedded in the spreadsheet; standard sensory-science instrument cited.",
        "question_text": "On the 9-point hedonic scale, what is your general impression of this tilapia sample? (Peryam–Pilgrim 1957; ASTM E2454 \/ ISO 11036) — single rating per panellist per product."
    },
    "questions": [
        {
            "question_template_slot": "hedonic_tilapia_laos_nov21_control",
            "prompt_text": "Overall, how much do you like this tilapia? (Control — standard commercial feed)",
            "ground_truth_mean": 4.067,
            "ground_truth_ci_lower": 3.825,
            "ground_truth_ci_upper": 4.309,
            "ground_truth_sd": 0.478,
            "ground_truth_skewness": -0.271,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 0,
                "2": 0,
                "3": 0,
                "4": 0,
                "5": 1,
                "6": 2,
                "7": 7,
                "8": 4,
                "9": 1
            },
            "n_respondents": 15,
            "weighting_notes": "Unweighted hedonic, general impression attribute. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 7.133, SD 0.957. N=15 panel."
        },
        {
            "question_template_slot": "hedonic_tilapia_laos_nov21_insects",
            "prompt_text": "Overall, how much do you like this tilapia? (Insects — insect meal partially replacing fishmeal)",
            "ground_truth_mean": 3.633,
            "ground_truth_ci_lower": 3.307,
            "ground_truth_ci_upper": 3.96,
            "ground_truth_sd": 0.645,
            "ground_truth_skewness": -0.503,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 0,
                "2": 0,
                "3": 0,
                "4": 2,
                "5": 3,
                "6": 1,
                "7": 7,
                "8": 2,
                "9": 0
            },
            "n_respondents": 15,
            "weighting_notes": "Unweighted hedonic, general impression attribute. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 6.267, SD 1.289."
        },
        {
            "question_template_slot": "hedonic_tilapia_laos_nov21_algae",
            "prompt_text": "Overall, how much do you like this tilapia? (Algae — microalgae inclusion in the feed)",
            "ground_truth_mean": 3.833,
            "ground_truth_ci_lower": 3.468,
            "ground_truth_ci_upper": 4.199,
            "ground_truth_sd": 0.723,
            "ground_truth_skewness": -0.862,
            "ground_truth_shape": "left-skewed",
            "ground_truth_distribution": {
                "1": 0,
                "2": 0,
                "3": 1,
                "4": 0,
                "5": 2,
                "6": 2,
                "7": 6,
                "8": 3,
                "9": 1
            },
            "n_respondents": 15,
            "weighting_notes": "Unweighted hedonic, general impression attribute. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 6.667, SD 1.445."
        },
        {
            "question_template_slot": "hedonic_tilapia_laos_nov21_bioactive",
            "prompt_text": "Overall, how much do you like this tilapia? (Bioactive — bioactive additives in the feed)",
            "ground_truth_mean": 3.6,
            "ground_truth_ci_lower": 3.305,
            "ground_truth_ci_upper": 3.895,
            "ground_truth_sd": 0.583,
            "ground_truth_skewness": 0.111,
            "ground_truth_shape": "unimodal",
            "ground_truth_distribution": {
                "1": 0,
                "2": 0,
                "3": 0,
                "4": 1,
                "5": 3,
                "6": 6,
                "7": 2,
                "8": 3,
                "9": 0
            },
            "n_respondents": 15,
            "weighting_notes": "Unweighted hedonic, general impression attribute. 1-9 → 1-5 linear rescale 1 + (x-1)*4\/8. Original 1-9 mean 6.200, SD 1.166."
        }
    ]
}