Efficacy Scale | Number of Items | Cronbach Alpha | Spearman-Brown | Guttman Split-Half |
ESBI | 20 | .96 | .90 | .90 |
Understanding | 5 | .86 | .88 | .81 |
Planning | 5 | .94 | .93 | .90 |
Teaching | 5 | .91 | .90 | .84 |
Assessment | 5 | .93 | .93 | .88 |
TESPE | 16 | .89 | .87 | .86 |
Motivation | 4 | .69 | .68 | .67 |
Analysis of Skills | 4 | .68 | .73 | .73 |
Preparation | 4 | .79 | .82 | .81 |
Communication | 4 | .84 | .79 | .79 |
TSES | 12 | .84 | .79 | .79 |
Student Engagement | 4 | .82 | .80 | .80 |
Instruction | 4 | .74 | .72 | .72 |
Class Management | 4 | .82 | .81 | .81 |