Omar Khaleefa
Biographic Data
| ID | 6560785 |
|---|---|
| NAME | Omar Khaleefa |
| GIVEN NAMES | Omar |
| FAMILY NAME | Khaleefa |
| SIGNATURE | KHALEEFA O |
| AFFILIATIONS | University of Khartoum |
| VERIFIED | No |
| TOTAL WORKS | 12 |
| TOTAL CITATIONS | 0 |
| AUTHOR COUNT | 12 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1995 |
| LATEST PUBLICATION YEAR | 2019 |
| H-INDEX | 0 |
A Study of the Heritability of Intelligence in Sudan
Intelligence was assessed using the Standard Progressive Matrices in 316 MZ and 550 same-sex DZ twins with a mean age of 10 years in Sudan. Heritability was estimated at 0.172 and shared environmental influences at 0.596.
Normative Data for Iq, Height and Head Circumference for Children in Saudi Arabia
Normative data are reported for intelligence, height and head circumference for a sample of 1553 6- to 15-year-olds in Saudi Arabia, and for the correlations between these variables. Intelligence was tested with the Standard Progressive Matrices, on which the Saudi sample obtained a British IQ of 76.2. There were no significant differences in means between boys and girls and differences in variability were inconsistent. The heights of the Saudi s…
An Increase of Intelligence in Sudan, 1987–2007
Results are reported for mean IQs on the WAIS-R in Sudan in 1987 and 2007. There was a gain of 4·05 Full Scale IQ points over the 20-year period, representing a gain of 2·05 IQ points a decade. The Verbal IQ showed a loss of 1·65 IQ points, while the Performance IQ showed a gain of 7·2 IQ points. These results are broadly consistent with those in economically developed countries in showing that mean IQ on the WAIS-R has increased in Sudan, and th…
Child Prodigy in Astronomy
Although many studies have been conducted in the West regarding child prodigies, no such studies have taken place in indigenous Arab cultures - particularly not in Sudan. The present study attempts to bridge the existing gap in this area by focusing on a Sudanese child prodigy with extraordinary inclination towards astronomy. It is a qualitative follow-up study from birth to the age of 10 years. The study showed that the child has many talents or…
Normative Data for Raven's Coloured Progressive Matrices Scale in Yemen
Normative Data for Raven's Coloured Progressive Matrices Scale in Yemen
Results are reported for a standardization sample of 986 6- to 11-yr.-olds for the Coloured Progressive Matrices in Yemen. Younger children performed better than older children relative to British norms, and there was no significant sex difference in means or variability. In relation to a British IQ of 100 ( SD=15), the sample obtained an average IQ of approximately 81
Adaptation of the Wisc-III in Sudan and Japan
A number of cross-cultural studies have been carried out particularly comparing the processes of translation and adaptation of Wechsler Intelligence Scale for Children-Third Edition (WISC-III) in many cultures and countries in Europe and Asia. No cross-cultural studies were carried out comparing adaptation of tests in Japan with African and Arab countries. The aim of the present study is to fill this gap by comparing the adaptation process of the…
Research on Creativity, Intelligence and Giftedness
The study investigated the content analysis, structural tendencies and indigenization of creativity, intelligence and gifiedness in research in the Arab world. The sample for the study constituted 50 studies both empirical (n =35), and theoretical (n = 15), in 18 journals, local (n =15) and international (n =3), published from 1984 to 1997. The study showed that Arab research is characterized by a single paradigm, which is a descriptive or psycho…
Who’s Who in the Sudan
This study examined the biographical information for a group of 226 gifted Sudanese individuals who are cited in Africa Who’s Who (1991). It showed that individuals were typically aged 60 to 64, came from Khartoum or other big cities, married between the age of 30 and 32 years, and had three children. The typical person graduated from the University of Khartoum, had another degree abroad from the UK or US, and obtained his or her PhD when aged 34…
Who Is the Founder of Psychophysics and Experimental Psychology
The study is an investigation of the origins of psychophysics and experimentalpsychology. According to historians of psychology. FrancisBacon had the most crucial influence in the history of the experimentalmethod, because he emphasized the importance of induction, skepticism,quantification, and observation. The present study, however,attempts to show that Ibn al-Haytham laid the foundations of the aboveaspects of the experimental method. Further…
The Imperialism of in a Nonwestern Culture
General psychology includes many areas of investigation: biologicalbases of behavior, sensation and perception, consciousness andattention, motivation and emotion, conditioning, learning, cognition,language, thinking, remembering and forgetting, intelligence, and personality.During the first half of the twentieth century, psychologistsclassified themselves as structuralists, functionalists, behaviorists,gestaltists, psychoanalysts, existentialist…
Intelligence Testing in an Afro-Arab Islamic Culture
INTELLIGENCE TESTING IN AN AFRO-ARAB ISLAMIC CULTURE: THE NORTHERN SUDAN OMAR H. KHALEEFA, OMAR H. KHALEEFA University of Khartoum Search for other works by this author on: Oxford Academic Google Scholar IKHLAS H. ASHRIA IKHLAS H. ASHRIA University of Khartoum Search for other works by this author on: Oxford Academic Google Scholar Journal of Islamic Studies, Volume 6, Issue 2, July 1995, Pages 222–233, https://doi.org/10.1093/jis/6.2.222 Publish…
No prominent works on this page.
Intelligence Testing in an Afro-Arab Islamic Culture
INTELLIGENCE TESTING IN AN AFRO-ARAB ISLAMIC CULTURE: THE NORTHERN SUDAN OMAR H. KHALEEFA, OMAR H. KHALEEFA University of Khartoum Search for other works by this author on: Oxford Academic Google Scholar IKHLAS H. ASHRIA IKHLAS H. ASHRIA University of Khartoum Search for other works by this author on: Oxford Academic Google Scholar Journal of Islamic Studies, Volume 6, Issue 2, July 1995, Pages 222–233, https://doi.org/10.1093/jis/6.2.222 Publish…
The Imperialism of in a Nonwestern Culture
General psychology includes many areas of investigation: biologicalbases of behavior, sensation and perception, consciousness andattention, motivation and emotion, conditioning, learning, cognition,language, thinking, remembering and forgetting, intelligence, and personality.During the first half of the twentieth century, psychologistsclassified themselves as structuralists, functionalists, behaviorists,gestaltists, psychoanalysts, existentialist…
Research on Creativity, Intelligence and Giftedness
The study investigated the content analysis, structural tendencies and indigenization of creativity, intelligence and gifiedness in research in the Arab world. The sample for the study constituted 50 studies both empirical (n =35), and theoretical (n = 15), in 18 journals, local (n =15) and international (n =3), published from 1984 to 1997. The study showed that Arab research is characterized by a single paradigm, which is a descriptive or psycho…
Who’s Who in the Sudan
This study examined the biographical information for a group of 226 gifted Sudanese individuals who are cited in Africa Who’s Who (1991). It showed that individuals were typically aged 60 to 64, came from Khartoum or other big cities, married between the age of 30 and 32 years, and had three children. The typical person graduated from the University of Khartoum, had another degree abroad from the UK or US, and obtained his or her PhD when aged 34…
Who Is the Founder of Psychophysics and Experimental Psychology
The study is an investigation of the origins of psychophysics and experimentalpsychology. According to historians of psychology. FrancisBacon had the most crucial influence in the history of the experimentalmethod, because he emphasized the importance of induction, skepticism,quantification, and observation. The present study, however,attempts to show that Ibn al-Haytham laid the foundations of the aboveaspects of the experimental method. Further…
Adaptation of the Wisc-III in Sudan and Japan
A number of cross-cultural studies have been carried out particularly comparing the processes of translation and adaptation of Wechsler Intelligence Scale for Children-Third Edition (WISC-III) in many cultures and countries in Europe and Asia. No cross-cultural studies were carried out comparing adaptation of tests in Japan with African and Arab countries. The aim of the present study is to fill this gap by comparing the adaptation process of the…
Normative Data for Raven's Coloured Progressive Matrices Scale in Yemen
Normative Data for Raven's Coloured Progressive Matrices Scale in Yemen
Results are reported for a standardization sample of 986 6- to 11-yr.-olds for the Coloured Progressive Matrices in Yemen. Younger children performed better than older children relative to British norms, and there was no significant sex difference in means or variability. In relation to a British IQ of 100 ( SD=15), the sample obtained an average IQ of approximately 81
An Increase of Intelligence in Sudan, 1987–2007
Results are reported for mean IQs on the WAIS-R in Sudan in 1987 and 2007. There was a gain of 4·05 Full Scale IQ points over the 20-year period, representing a gain of 2·05 IQ points a decade. The Verbal IQ showed a loss of 1·65 IQ points, while the Performance IQ showed a gain of 7·2 IQ points. These results are broadly consistent with those in economically developed countries in showing that mean IQ on the WAIS-R has increased in Sudan, and th…
Child Prodigy in Astronomy
Although many studies have been conducted in the West regarding child prodigies, no such studies have taken place in indigenous Arab cultures - particularly not in Sudan. The present study attempts to bridge the existing gap in this area by focusing on a Sudanese child prodigy with extraordinary inclination towards astronomy. It is a qualitative follow-up study from birth to the age of 10 years. The study showed that the child has many talents or…
Normative Data for Iq, Height and Head Circumference for Children in Saudi Arabia
Normative data are reported for intelligence, height and head circumference for a sample of 1553 6- to 15-year-olds in Saudi Arabia, and for the correlations between these variables. Intelligence was tested with the Standard Progressive Matrices, on which the Saudi sample obtained a British IQ of 76.2. There were no significant differences in means between boys and girls and differences in variability were inconsistent. The heights of the Saudi s…
A Study of the Heritability of Intelligence in Sudan
Intelligence was assessed using the Standard Progressive Matrices in 316 MZ and 550 same-sex DZ twins with a mean age of 10 years in Sudan. Heritability was estimated at 0.172 and shared environmental influences at 0.596.
Psychology (11 works) · Sociology (7 works) · Cognitive Abilities and Testing (5 works) · Cognition (4 works) · Demography (4 works) · Developmental psychology (4 works) · Education and Islamic Studies (3 works) · Epistemology (3 works) · Indigenous (3 works) · Normative (3 works)