Why grit requires perseverance and passion to positively predict performance

Area of Science:

• Psychology
• Organizational Behavior
• Educational Psychology

Background:

• Prior research on grit (perseverance and passion for long-term goals) and performance has yielded contradictory findings.
• Existing grit measures primarily capture perseverance, potentially overlooking the crucial role of passion.
• This inconsistency suggests a need to re-evaluate the theoretical and empirical contributions of both grit components.

Purpose of the Study:

• To investigate the combined predictive power of perseverance and passion attainment on performance.
• To resolve conflicting evidence regarding the relationship between grit and performance.
• To introduce and validate a measure for passion attainment alongside the grit scale.

Main Methods:

• A meta-analysis of 127 studies (n = 45,485) using the grit scale and performance metrics was conducted.
• A survey of 422 employees assessed perseverance (grit scale) and passion attainment, linked to supervisor-rated job performance.
• A study of 248 students measured perseverance and passion attainment, correlating these with grade-point average (GPA).

Main Results:

• Meta-analytic effect sizes for grit and performance were larger in studies with higher participant passion.
• In the employee sample, the combination of perseverance and passion attainment significantly predicted job performance.
• In the student sample, combined perseverance and passion attainment predicted higher GPAs, mediated by increased immersion.

Conclusions:

• The study resolves mixed evidence on grit's performance link by highlighting the critical role of passion.
• Measuring both perseverance and passion attainment is essential for accurately assessing grit's predictive power.
• Integrating passion attainment into the conceptualization and measurement of grit enhances its utility in predicting success.