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2007 ANNUAL REPORT - cosmos - Bowling Green State University

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Part III. Evaluation Results<br />

Effectiveness Of The NWO Center Research Based Math And Science<br />

Professional Development Programs Geared Towards Pre-Service Pre Service And<br />

In-Service In Service Teachers<br />

The progress of the NWO Center towards fulfillment of its Goal 1 was assessed by examining<br />

the effectiveness of the NWO professional development component. This was accomplished by<br />

triangulating data from six different sources - (1) examining beliefs and practices of the NWO<br />

teachers that they shared on the TBI survey, (2) thematically analyzing the emic session<br />

evaluations data (e.g., written evaluations of the professional development sessions) obtained<br />

from the participants, (3) thematically analyzing the faculty interview data, (4) thematically<br />

analyzing the teacher interview data, (5) summarizing the etic session evaluations data (e.g.,<br />

professional development observations ratings provided by the external observers), and (6)<br />

studying other statistics collected by the NWO Center about different activities (e.g., course and<br />

program modification documents, PD attendance data, MAT credit hour completion data, and<br />

Symposium participant involvement data, etc.). The evaluation results below are organized by<br />

each evaluation question that was researched. Program-specific as well as overall summaries<br />

are provided as appropriate and enabled by the data.<br />

Back to top<br />

Goal 1 - Evaluation Question 1: What are the beliefs and practices of NWO<br />

participants? How do these beliefs compare for TEAMS, TeachOhio and Other<br />

NWO participants?<br />

TEAMS: The means, F values, and effect sizes of 29 TEAMS teacher responses to the TBI<br />

items are presented in Table 5. Significant changes across time are shaded in grey whereas<br />

medium to small effect sizes are bolded in red. Not all of the significant results were due to a<br />

consistent increase across time. Rather, some of the subscales showed an increase from pre-SI<br />

to post-SI, but then a drop down to baseline levels at the AY posttest. Thus, effect sizes are<br />

important to examine in addition to the statistical significance.<br />

Table 5 shows that moderate to large changes in the positive direction were found pre to post SI<br />

for the total STEBI scores, the total Classroom Learning Environment scores, and three of its<br />

four subscales: Classroom Environment (CE), Teaching Activities & Assessment (TA), and<br />

Instructional Goals (IG). For the total Instructional Practices Inventory scores and one of its two<br />

subscales: Reform Strategies (RS), the moderate effect sizes were found pre to post SI in the

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