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Direct linkAlma Grisel Irizarry Zambrana – ProQuest LLC, 2023
This is potentially the first study that addressed the Puerto Rican high school students' chemistry knowledge acquisition using traditional teaching and Physics Education Technology. The problem addressed by this quantitative comparative quasi-experimental study was that students' showed a disadvantage on chemistry knowledge acquisition over other…
Descriptors: High School Students, Chemistry, Teaching Methods, Educational Technology
Murray Finley, Philip R. – ProQuest LLC, 2017
This quantitative causal comparative ex post facto study compared the performance and persistence of undergraduate English Language Learners (ELL) in a private institution of higher education in Puerto Rico. The sample of convenience consisted of 1,281 freshmen students who were divided into two groups: (a) Group A (n = 339), students that…
Descriptors: Correlation, English (Second Language), Second Language Learning, Second Language Instruction
