S E L F C O N F I D E N C E A N D S E S A S P R E D I C T O R S
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S E L F C O N F I D E N C E A N D S E S A S P R E D I C T O R S
- 1. SELF-CONFIDENCE AND SES AS PREDICTORS A Statistical Analysis Michael O’Neal Kelly Grillo Ya-Chi Chien Dennis Robinson and Angel Lopez University of Central Florida
- 2. Can Self-Confidence and Socioeconomic Status Predict Science Achievement? The purpose of this study was to use data from the Trends in International Mathematics and Science Study (TIMSS) 2007 to examine a sample of American eighth-grade students to predict science achievement (Item Response Theory scale score) in the Cognitive Domain of Science Reasoning (CDSR).
- 3. Research Questions What is the predicted CDSR score for students when controlling for their level of self-confidence and school population socioeconomic status (percentage of students classified as economically disadvantaged) Is there a significant difference in CDSR score based on level of self-confidence and school population socioeconomic status Is there an interaction between level of self-confidence and school population socioeconomic status?
- 4. Operational Definitions Trends in International Mathematics and Science Study 2007 (TIMSS) Item Response Theory Scale Score (IRT) Index of Students’ Self-Confidence in Learning Science (SCS) Cognitive Domain Science Reasoning (CDSR) Percentage Socioeconomic disadvantage (PSED)
- 5. Literature Review The Nation’s Report Card: Science 2005 reports only 29% of eighth grade students performed at the proficient level. Grigg, Lauko, & Brockway (2006) Self-confidence is significant predictor of students’ academic performance Tavani and Losh (2003) Meta-analysis of 74 studies published between 1990 and 2000, found a medium to strong relationship between socioeconomic status (SES) and academic achievementSirin(2005) Teachers who integrate higher order thinking strategies into their instruction develop critical thinking strategies in their students, boosting self-confidence. Miri (2007)
- 6. Method Subjects: A stratified random sample of 400 American, Grade Eight, Students who participated in TIMSS 2007 Measurement: TIMSS 2007 Questionnaires To ensure both validity and reliability TIMSS has multiple means for ensuring quality: field testing, test-retest, pilot testing….
- 7. Indentifying the Variables: IV: Student self-confidence PSED DV: Computed mean of 5 Plausible Values Cognitive Domain Science Reasoning CDSR
- 8. Statistical Procedures Two-Way ANOVA Difference Dependent Variable Interval/ratio level 2 or more independent variables 1. Student self-confidence 2. PSED Multiple Regression Relationship 2 or More Variables 1. SCS 2. PSED
- 9. Results CDSR’ = 645.21 – 23.26(PSED) – 29.12(SCS) Interpretation of… Effect Size: PSED .15 SCS .11
- 10. Conclusion Implications: Self-confidence in learning science matters Higher SCS = Higher CDSR Future Research: Experimental Design Esteem Boosting Interventions