"protégé effect" meaning in English

{
  "forms": [
    {
      "form": "the protégé effect",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?",
        "def": "1"
      },
      "expansion": "the protégé effect",
      "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",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Psychology",
          "orig": "en:Psychology",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The phenomenon that students who teach others learn at a better quality than students who don't teach."
      ],
      "id": "en-protégé_effect-en-noun-0jCUFxvA",
      "links": [
        [
          "psychology",
          "psychology"
        ],
        [
          "student",
          "student"
        ],
        [
          "teach",
          "teach"
        ]
      ],
      "raw_glosses": [
        "(psychology) The phenomenon that students who teach others learn at a better quality than students who don't teach."
      ],
      "topics": [
        "human-sciences",
        "psychology",
        "sciences"
      ]
    }
  ],
  "word": "protégé effect"
}

{
  "forms": [
    {
      "form": "the protégé effect",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?",
        "def": "1"
      },
      "expansion": "the protégé effect",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms spelled with É",
        "English terms spelled with ◌́",
        "en:Education",
        "en:Psychology"
      ],
      "glosses": [
        "The phenomenon that students who teach others learn at a better quality than students who don't teach."
      ],
      "links": [
        [
          "psychology",
          "psychology"
        ],
        [
          "student",
          "student"
        ],
        [
          "teach",
          "teach"
        ]
      ],
      "raw_glosses": [
        "(psychology) The phenomenon that students who teach others learn at a better quality than students who don't teach."
      ],
      "topics": [
        "human-sciences",
        "psychology",
        "sciences"
      ]
    }
  ],
  "word": "protégé effect"
}