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Mentor Self-efficacy and Perceived Program Support scale : M-SEPPS Suzannah Vallejo Calvery, PhD National Mentoring Summit January 25, 2013. Down the Rabbit Hole: Lit Review and Design Fun with Scales: Instrumentation Psychometric Joy: Validity and Reliability

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Mentor Self-efficacy and Perceived Program Support scale: M-SEPPS

Suzannah Vallejo Calvery, PhD

National Mentoring Summit

January 25, 2013


The agenda

Down the Rabbit Hole:

Lit Review and Design

Fun with Scales:

Instrumentation

Psychometric Joy:

Validity and Reliability

Back out of the looking glass:

Implications and Applications

The Agenda


The big question

The Big Question


Down the rabbit hole does mentoring work

Down the Rabbit Hole: Does mentoring work?


What about the mentor

Dyadic construct with monadic research base

Best practices tied to mentor self-efficacy

What about the Mentor?


New instrument preparation validation

M-SEPPS Instrument

Research Questions:

What are the psychometric properties of the proposed measure?

Are there significant differences between demographic groups?

New Instrument Preparation & Validation


Fun with scales
Fun with Scales

  • 6. Analysis:

    • Assumptions

    • Exploratory Factor Analysis

    • Item analysis

    • Reliability estimation

  • Literature Review

  • Item Construction*

  • Pilot

  • Item Refinement

  • Data Collection

* Bandura, 2006; Fowler, 2009; Gefen & Straub, 2005; Netemeyer, Bearden, & Sharma, 2003; Nunnally, 1978; Nunnally & Bernstein, 1994; Pett, Lackey, & Sullivan, 2003.


Method
Method

  • Participants

  • Original scale/item pool:

    • General self-efficacy

    • Personal teaching efficacy

    • Mentor/tutor self efficacy

    • Program Support


Principal axis factoring

104 participants in remaining analysis

18 total items

3 latent constructs

Process:

PAF (Pett, Lackey, & Sullivan, 2003, Tabachnik & Fidell, 2007)

Direct Oblimin rotation w/delta level of -.5*

5 original factors extracted, 3 retained

Principal Axis factoring

*Pett et al.



Reliability estimates
Reliability Estimates

Factor Correlations and Factor Alpha Coefficients for the M-SEPPS Scale

Per Research Question #2:

Original Demographic data variables:

Age, Gender, Ethnicity, Level of education, Previous experience tutoring, Years tutoring.

Age was the only demographic variable that had significant differences between levels on Factors 2 an 3.


Back out of the looking glass limitations and future research
Back out of the Looking Glass:Limitations and Future Research

  • Limitations:

    • Sample size

    • Test-retest reliability

    • Scale redundancy

  • Next Steps:

    • CFA

    • Larger sample

    • Scale reduction


And after that implications for practice

Program Evaluation

Dynamic program assessment

Building support for implementation of best practices

And after that? Implications for practice



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