grades and intelligence correlation

Introduction

The relationship between intelligence and academic performance has been a subject of extensive research. Understanding how intelligence correlates with grades can provide insights into educational strategies and policies. This synthesis examines the correlation between intelligence and academic grades based on multiple research studies.

Key Insights

Strong Correlation Between Intelligence and Academic Performance:
- Intelligence is a strong predictor of scholastic achievement, with a population correlation of 0.54 between standardized intelligence tests and school grades.
- A longitudinal study found a high correlation (0.81) between psychometric intelligence at age 11 and educational achievement at age 16.
- Intelligence, as measured by various cognitive tests, consistently predicts grade point average (GPA) across different school grades.
Moderating Factors:
- The relationship between intelligence and academic performance varies by school subject, grade level, and type of intelligence test used.
- Prior academic performance enhances the predictive validity of intelligence for future academic achievement.
Personality Traits and Academic Performance:
- Personality traits such as Conscientiousness, Openness, and Agreeableness positively correlate with GPA, while Neuroticism correlates negatively .
- Personality traits account for additional variance in academic performance beyond intelligence .
Emotional Intelligence and Academic Performance:
- Emotional intelligence shows a modest correlation with GPA, suggesting it plays a role in academic success alongside traditional intelligence measures.
Self-Assessed Intelligence:
- Self-assessed intelligence correlates with academic performance, even when controlling for actual IQ scores, indicating that self-perception of intelligence can influence academic outcomes.

Conclusion

The research consistently shows a strong correlation between intelligence and academic performance, with intelligence being a significant predictor of grades across various educational levels and subjects. Personality traits and emotional intelligence also contribute to academic success, highlighting the multifaceted nature of academic achievement. Understanding these relationships can help in developing more effective educational strategies and interventions.

Grades and intelligence correlation

Summary

Introduction

Key Insights

Conclusion

Sources and full results

Intelligence and school grades: A meta-analysis

Intelligence tests have a population correlation of.54, with variations in the relationship depending on school subject domains, grade levels, and test type, but gender has no effect on the relationship.

Meta-analyzing the relationship between grades and job performance.

Grades have a weak correlation with job performance, but when accounting for research artifacts, the correlation increases to the.30s, with factors like year of research publication and time between graduation and performance measurement playing a role.

The relationship between intelligence and academic achievement throughout middle school: The role of students' prior academic performance

Intelligence best predicts academic achievement in middle school, with prior academic performance playing a significant role in this relationship.

Intelligence and educational achievement

General intelligence at age 11 is positively associated with educational achievement in 25 academic subjects at age 16, with girls showing no advantage in g but performing better in all subjects except Physics.

Personality and intelligence as predictors of academic achievement : A cross-sectional study from elementary to secondary school

Intelligence is the strongest predictor of students' grade point average from elementary to secondary school, followed by Agreeableness in Grades 2 to 4 and Conscientiousness in Grades 6 to 12.

Intelligence and Reading Ability in Grades 2-12.

General intelligence, as measured by the Raven test, has a strong and consistent relationship with reading ability in Grades 2-12.

Personality and intelligence as predictors of statistics examination grades

Personality traits and psychometric intelligence significantly predict university statistics examination grades, with personality traits accounting for an additional 12% of the variance.

Personality traits and intelligence predict academic school grades

Personality traits and intelligence scores significantly predict school academic performance, with intelligence accounting for a fifth of the variance in overall grade and personality 8% more valid.

Self‐Assessed Intelligence and Academic Performance

Self-assessed intelligence (SAI) significantly correlates with academic exam marks and continuous assessment indicators, predicting academic performance in British undergraduate students.

Measured emotional intelligence ability and grade point average in nursing students.

Higher emotional intelligence scores are positively correlated with higher grade point averages in nursing students, but the relationship between pre-graduation measures and postgraduation performance needs further exploration.

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