"grounded theory" meaning in English

{
  "forms": [
    {
      "form": "grounded theories",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "grounded theory (plural grounded theories)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "name": "Pages with 1 entry",
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          "source": "w"
        },
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sociology",
          "orig": "en:Sociology",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any theory that is based on observation of social phenomena"
      ],
      "id": "en-grounded_theory-en-noun-4KK9dnz-",
      "links": [
        [
          "sociology",
          "sociology"
        ],
        [
          "observation",
          "observation"
        ],
        [
          "social",
          "social"
        ],
        [
          "phenomena",
          "phenomena"
        ]
      ],
      "raw_glosses": [
        "(sociology) Any theory that is based on observation of social phenomena"
      ],
      "topics": [
        "human-sciences",
        "sciences",
        "social-science",
        "sociology"
      ]
    }
  ],
  "word": "grounded theory"
}

{
  "forms": [
    {
      "form": "grounded theories",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "grounded theory (plural grounded theories)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English multiword terms",
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        "en:Sociology"
      ],
      "glosses": [
        "Any theory that is based on observation of social phenomena"
      ],
      "links": [
        [
          "sociology",
          "sociology"
        ],
        [
          "observation",
          "observation"
        ],
        [
          "social",
          "social"
        ],
        [
          "phenomena",
          "phenomena"
        ]
      ],
      "raw_glosses": [
        "(sociology) Any theory that is based on observation of social phenomena"
      ],
      "topics": [
        "human-sciences",
        "sciences",
        "social-science",
        "sociology"
      ]
    }
  ],
  "word": "grounded theory"
}