aspg-3-4089-1791419317 20261008002837 American Scientific Publishing Group admin@americaspg.com American Scientific Publishing Group Fusion: Practice and Applications FPA 2770-0070 2692-4048 2026 21 2 Shahab Ahmad Al Maaytah Associate professor, Department of Languages and Humanities, Applied College, King Faisal University, Alhafof, The Eastern Province, Saudi Arabia 16.00 Normal false false false TR X-NONE AR-SA DefSemiHidden="false" DefQFormat="false" DefPriority="99" LatentStyleCount="371"> QFormat="true" Name="heading 2"/> QFormat="true" Name="heading 3"/> QFormat="true" Name="heading 4"/> UnhideWhenUsed="true" QFormat="true" Name="heading 5"/> UnhideWhenUsed="true" QFormat="true" Name="heading 6"/> UnhideWhenUsed="true" QFormat="true" Name="heading 7"/> UnhideWhenUsed="true" QFormat="true" Name="heading 8"/> UnhideWhenUsed="true" QFormat="true" Name="heading 9"/> Name="index 1"/> Name="index 2"/> Name="index 3"/> Name="index 4"/> Name="index 5"/> Name="index 6"/> Name="index 7"/> 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{mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0in; line-height:107%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri",sans-serif; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Arial; mso-bidi-theme-font:minor-bidi; mso-ansi-language:TR;} This study investigates the influence of age on second language acquisition by comparing language learning outcomes between young learners (aged 8–12) and adult learners (aged 25–40). Drawing on both cognitive and sociolinguistic perspectives, and leveraging data fusion techniques that integrate test results, classroom observations, and learner interviews, the research examines differences in pronunciation, grammar acquisition, vocabulary retention, and communicative competence. The fusion of multiple data modalities ensures a more holistic view of learner performance. Findings indicate that young learners exhibit greater native-like pronunciation and long-term retention, while adult learners outperform in grammatical accuracy and metalinguistic awareness. Motivational factors and learning environments also played significant roles. The study concludes that while age affects specific aspects of language learning, no age group holds a universal advantage. Data fusion-based insights highlight the need for age-sensitive instructional strategies that cater to the cognitive and emotional needs of learners at different stages. 2026 211 227 4089 https://creativecommons.org/licenses/by/4.0/ 10.54216/FPA.210214 https://www.americaspg.com/journal/3/article/4089 https://www.americaspg.com/storage/81757534435.pdf