Abstract:
This research aimed to 1) investigate the organizational factors affecting
the effectiveness of private schools in Roi Et Province, (2) explore the effectiveness
of private schools in Roi Et Province, and (3) develop a prediction model of the
effectiveness of private schools in Roi Et Province. The participants in the research
were 294 administrators and teachers in private general education school. The
research instrument was a five-point likert scale questionnaire. Frequency,
percentage, mean and standard deviation, and Stepwise Multiple Regression were
employed for data analysis.
The results of the research were as follows:
1. Average ratings for organizational factors affecting private schools
effectiveness in Roi Et Province were at a high level in overall and in each aspect.
The factors were ranked by their average ratings from the highest to lowest as
follows: personnels characters, environment, administrative policies and practices,
and organizations characters.
2. The level of the effectiveness of the private schools in Roi Et Province
was at a high level both in overall and in each aspect. The four areas of school
effectiveness framework were ranked by their average ratings from the highest to
lowest as follows: academic administration, general administration, budget
administration, and personnel administration.
3. In deriving a prediction model for school effectiveness, administrative
policies and practices (X4) was a significant predictor variable for school effectiveness
of the private schools in Roi Et Province with statistical significance at.01 (p<.01,
R=.866, power of prediction at 75%). The power of prediction was increased to 78.5%
with statistical significance at.01 when adding following predictor variables into the
model: workers characters (X3), organizations characters (X1) and environment (X2).
ค
The coefficient regression of raw marks was .470, .191, .128 and .120. And the
coefficient regression of standard marks was .500, .185, .129 and .123 respectively.
Equation of raw marks:
Y = .385 + .470X4 +.191X3 +.128X1 +120X2
Equation of standard marks:
Z/
y = .500ZX4 + .185ZX3 + .129ZX1+ .123ZX2