
Patrick J. Uko
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Papers by Patrick J. Uko
School science teachers in Akwa Ibom North West Senatorial District of Nigeria. The study
adopted the Ex-post facto design and equally utilized the Multi-Stage Sampling Technique. A
sample size of hundred science teachers and three hundred students, selected from ten out of
eighty seven public secondary schools was used for the study. Three research questions and
one hypothesis guided the study. The instrument for data collection consisted of a 20 items
Science Teacher’s Competency Questionnaire and a Physics Pedagogy Checklist. The
instruments were validated by two experts in physics and measurement and evaluation for face
and content validity. The reliability of the instrument was determined using Cronbach Alfa,
which yielded a satisfactory reliability coefficient of 0.87. Data was analysed using descriptive
statistics and t-test. Findings showed that non- physics specialist teachers rated themselves
very highly on their competencies in physics teaching, indicating a Dunning –Kruger effect.
The result also revealed that students taught by specialist physics teachers outperformed their
counterparts taught by non-specialist physics teachers. In view of the findings, the following
recommendations were made among others. That only specialist science teachers should be
allowed to teach specific science subjects. There should be continuous appraisal of science
teachers on their level of competencies as a quality assurance mechanism. All schools should
have mediational tools to assist incompetent science teachers.
Keywords: Dunning –Kruger Effect, Science Teacher’s Competencies
Keywords: ethno science, efficacy, learning, difficult concepts, Basic Science.
School science teachers in Akwa Ibom North West Senatorial District of Nigeria. The study
adopted the Ex-post facto design and equally utilized the Multi-Stage Sampling Technique. A
sample size of hundred science teachers and three hundred students, selected from ten out of
eighty seven public secondary schools was used for the study. Three research questions and
one hypothesis guided the study. The instrument for data collection consisted of a 20 items
Science Teacher’s Competency Questionnaire and a Physics Pedagogy Checklist. The
instruments were validated by two experts in physics and measurement and evaluation for face
and content validity. The reliability of the instrument was determined using Cronbach Alfa,
which yielded a satisfactory reliability coefficient of 0.87. Data was analysed using descriptive
statistics and t-test. Findings showed that non- physics specialist teachers rated themselves
very highly on their competencies in physics teaching, indicating a Dunning –Kruger effect.
The result also revealed that students taught by specialist physics teachers outperformed their
counterparts taught by non-specialist physics teachers. In view of the findings, the following
recommendations were made among others. That only specialist science teachers should be
allowed to teach specific science subjects. There should be continuous appraisal of science
teachers on their level of competencies as a quality assurance mechanism. All schools should
have mediational tools to assist incompetent science teachers.
Keywords: Dunning –Kruger Effect, Science Teacher’s Competencies
Keywords: ethno science, efficacy, learning, difficult concepts, Basic Science.