"quantitative research" meaning in English

{
  "antonyms": [
    {
      "word": "qualitative research"
    }
  ],
  "forms": [
    {
      "form": "quantitative researches",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {
        "1": "~"
      },
      "expansion": "quantitative research (countable and uncountable, plural quantitative researches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "name": "Russian terms with non-redundant manual transliterations",
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      ],
      "glosses": [
        "The systematic scientific investigation of quantitative properties and phenomena and their relationships, using statistical methods."
      ],
      "id": "en-quantitative_research-en-noun-CYrduRic",
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "research relying on statistical methods",
          "tags": [
            "masculine"
          ],
          "word": "kvantitativní výzkum"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "količestvennoje isslédovanije",
          "sense": "research relying on statistical methods",
          "tags": [
            "neuter"
          ],
          "word": "количественное исследование"
        }
      ],
      "wikipedia": [
        "quantitative research"
      ]
    }
  ],
  "word": "quantitative research"
}

{
  "antonyms": [
    {
      "word": "qualitative research"
    }
  ],
  "forms": [
    {
      "form": "quantitative researches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "quantitative research (countable and uncountable, plural quantitative researches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "Russian terms with non-redundant manual transliterations",
        "Terms with Czech translations",
        "Terms with Russian translations"
      ],
      "glosses": [
        "The systematic scientific investigation of quantitative properties and phenomena and their relationships, using statistical methods."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "quantitative research"
      ]
    }
  ],
  "translations": [
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "research relying on statistical methods",
      "tags": [
        "masculine"
      ],
      "word": "kvantitativní výzkum"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "količestvennoje isslédovanije",
      "sense": "research relying on statistical methods",
      "tags": [
        "neuter"
      ],
      "word": "количественное исследование"
    }
  ],
  "word": "quantitative research"
}