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Exploring the Impact of Age and Class Level on Emotional Perception: A Study of Nigerian Secondary School Girls Using the Reading the Mind in the Eyes Test (Student Abstract)
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Preliminary study of 215 Nigerian secondary school girls (SS1/SS2) measuring emotion perception with the RMET, finding age predicts higher scores while class-level effects vanish after controlling for age.
Problem
How age and class level (SS1 vs SS2) relate to emotional perception, measured by the Reading the Mind in the Eyes Test, among adolescent Nigerian schoolgirls, a population understudied relative to Western samples.
Approach
Applies the RMET to a non-Western adolescent sample of Nigerian secondary school girls and analyzes age and class level effects using ANOVA, correlation, and linear regression, finding age to be the significant predictor.
Key results
- Age significantly predicted RMET scores (beta = 1.058, p = 0.037) in regression controlling for class level.
- SS2 students scored higher than SS1 (mean 21.53 vs 19.42; ANOVA F(1,213) = 5.17, p = 0.024).
- Class level was not significant after accounting for age (beta = 0.799, p = 0.369).
Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| being older | Nigerian secondary school girls · RMET | score: r = 0.215, p = 0.003; = 1.058, p = 0.037 | Helped |
| being in SS2 rather than SS1 | Nigerian secondary school girls · RMET | score: 19.42 (SD = 4.65) -> 21.53 (SD = 5.12); F(1, 213) = 5.17, p = 0.024 | Helped |
| account for age when assessing class level | RMET class-level association · RMET | score: = 0.799, p = 0.369 | No clear effect |
Surprising findings
- Class-level effect on RMET disappears once age is controlled, suggesting age rather than school year drives the difference.
Limitations
- Preliminary analysis on only 20% of planned data; ongoing recruitment.
- Findings limited to a specific group of Nigerian schoolgirls, limiting generalizability.
- Cross-sectional design; age and class level are strongly correlated (r = 0.578), complicating separation of effects.
Experimental setup
Datasets: RMET responses from 215 Nigerian secondary school girls
Benchmarks: Reading the Mind in the Eyes Test
Metrics: ANOVA F-statistic p-value regression coefficient Pearson correlation
Builds on: Reading the Mind in the Eyes Test
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