Table 1b.
Descriptive statistics for overlap only sample (N=529 students)
| obs. | mean/% | SD | Min. | Max. | P-value of difference from study sample (N=3,306 students) |
|
|---|---|---|---|---|---|---|
| Gender | ||||||
| Male | 268 | 50.7% | 0.50 | 0.00 | 1.00 | 0.20 |
| Race/ethnicity | ||||||
| Hispanic | 364 | 68.8% | 0.46 | 0.00 | 1.00 | 0.45 |
| White | 60 | 11.3% | 0.32 | 0.00 | 1.00 | 0.23 |
| Viet | 67 | 12.7% | 0.33 | 0.00 | 1.00 | 0.27 |
| Other | 38 | 7.2% | 0.26 | 0.00 | 1.00 | 0.25 |
| Free/reduced lunch (NSLP) and English Learner (EL) status | ||||||
| NSLP status | 400 | 75.6% | 0.43 | 0.00 | 1.00 | 0.63 |
| EL status | 232 | 43.9% | 0.50 | 0.00 | 1.00 | 0.03* |
| Prior math achievement (CST scaled score) | ||||||
| 7th grade | 529 | 345 | 30.5 | 243 | 445 | 0.05* |
| 8th grade motivational measures, Fall | ||||||
| Mastery | 500 | 3.75 | 0.93 | 1.00 | 5.00 | 0.74 |
| Performance approach |
502 | 2.49 | 1.08 | 1.00 | 5.00 | 0.81 |
| Performance avoid |
490 | 2.37 | 1.01 | 1.00 | 5.00 | 0.15 |
| Self-efficacy | 503 | 3.38 | 0.86 | 1.00 | 5.00 | 0.32 |
| Task value | 503 | 3.46 | 0.63 | 1.23 | 5.00 | 0.94 |
| 8th grade motivational measures, Spring | ||||||
| Mastery | 526 | 3.43 | 1.02 | 1.00 | 5.00 | 0.09 |
| Performance approach |
527 | 2.12 | 0.96 | 1.00 | 5.00 | 0.13 |
| Performance avoid |
529 | 1.90 | 0.91 | 1.00 | 5.00 | 0.69 |
| Self-efficacy | 527 | 3.25 | 0.92 | 1.00 | 5.00 | 0.90 |
| Task value | 529 | 3.25 | 0.68 | 1.42 | 4.92 | 0.02* |
| 8th grade math course | ||||||
| General Math | 273 | 0.52 | 0.50 | 0.00 | 1.00 | 0.00*** |
| Algebra | 256 | 0.48 | 0.50 | 0.00 | 1.00 | 0.00*** |
Note. Motivation scales = 1 – 5; Math scale score range = 150 – 600, 150-256 = Far Below Basic, 257-299 = Below Basic, 300-349 = Basic, 350-413 = Proficient, 414-600 = Advanced; Free/reduced lunch (NSLP) and English Learner (EL) status scale = 0-1 (1 = yes, 0 = no). Prior achievement bins: high achievement = Proficient or Advanced; average achievement = Basic; low achievement = Below Basic or Far Below Basic.