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        <div id="content-top1">Page 47 - เธงเธดเน€เธเธฃเธฒเธฐเธซเนเธกเธนเธฅเธเนเธฒเน€เธเธดเนเธกเธ—เธฒเธเน€เธจเธฃเธฉเธเธเธดเธ SCG</div>
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    <pre style="white-space:pre-line"><code>41

      เธ”เนเธฒเธเธเธงเธฒเธกเธชเธกเธ”เธฅเธธ เธฃเธฐเธซเธงเนเธฒเธเธเธฒเธเธเธฑเธเธเธตเธงเธดเธ•เธชเนเธงเธเธ•เธงเธฑ
      H0 : เธเธเธฑเธเธเธฒเธเธ—เนเธตเธกเธตเธญเธฒเธขเธธเธเธฒเธเนเธ•เธเธ•เนเธฒเธเธเธฑเธเธกเธตเธเธงเธฒเธกเธเธดเธ”เน€เธซเนเธเธ•เนเธญเธเธธเธ“เธ เธฒเธเธเธตเธงเธดเธ•เนเธเธเธฒเธฃเธ—เธฒเธเธฒเธเธ”เนเธฒเธเธเธงเธฒเธกเธชเธกเธ”เธธเธฅ
เธฃเธฐเธซเธงเธฒเน เธเธเธฒเธเธเธฑเธเธเธงเธต เธดเธ•เธชเนเธงเธเธ•เธฑเธงเนเธกเนเนเธ•เธเธ•เนเธฒเธเธเธเธฑ
      H1 : เธเธเธฑเธเธเธฒเธเธ—เธตเนเธกเธตเธญเธฒเธขเธธเธเธฒเธเนเธ•เธเธ•เนเธฒเธเธเธฑเธเธกเธตเธเธงเธฒเธกเธเธดเธ”เน€เธซเนเธเธ•เนเธญเธเธธเธ“เธ เธฒเธเธเธตเธงเธดเธ•เนเธเธเธฒเธฃเธ—เธฒเธเธฒเธเธ”เนเธฒเธเธเธงเธฒเธกเธชเธกเธ”เธธเธฅ
เธฃเธฐเธซเธงเนเธฒเธเธเธฒเธเธเธฑเธเธเธงเธต เธ•เธด เธชเนเธงเธเธ•เธฑเธงเนเธ•เธเธ•เธฒเน เธเธเธเธฑ
      เน€เธกเนเธญเธท เธ—เธ”เธชเธญเธเธเธงเธฒเธกเนเธ•เธเธ•เธฒเน เธเธฃเธฐเธซเธงเนเธฒเธเธญเธฒเธขเธธเธเธฒเธเธเธฑเธเธเธธเธ“เธ เธฒเธเธเธงเธต เธ•เธด เนเธเธเธฒเธฃเธ—เธฒเธเธฒเธเธ”เนเธฒเธเธเธงเธฒเธกเธชเธกเธ”เธธเธฅเธฃเธฐเธซเธงเนเธฒเธเธเธฒเธ
เธเธฑเธเธเธตเธงเธดเธ•เธชเนเธงเธเธ•เธฑเธง เธเธเธงเนเธฒเธเธเธฑเธเธเธฒเธเธ—เนเธตเธกเธตเธญเธฒเธขเธธเธเธฒเธเนเธ•เธเธ•เนเธฒเธเธเธฑเธเธกเธตเธเธงเธฒเธกเธเธถเธเธเธญเนเธเธ•เนเธญเธเธธเธ“เธ เธฒเธเธเธตเธงเธดเธ•เนเธเธ”เนเธฒเธเธเธงเธฒเธกเธชเธกเธ”เธธเธฅ
เธฃเธฐเธซเธงเนเธฒเธเธเธฒเธเธเธฑเธเธเธงเธต เธดเธ•เธชเนเธงเธเธ•เธฑเธงเนเธ”เธขเธฃเธงเธกเนเธกเนเน เธ•เธเธ•เธฒเน เธเธเธเธฑ เธญเธขเนเธฒเธเธกเธเธต เธฑเธขเธชเธฒเธเธเธฑ เธ—เธฒเธเธชเธ–เธ•เธด เธ—เธด เนเธต 0.05 เธ”เธเธฑ เธ•เธฒเธฃเธฒเธเธ—เนเธต 4.13

เธ•เธฒเธฃเธฒเธเธ—เธตเน 4.13 เนเธชเธ”เธเธเนเธฒเธชเธ–เธดเธ•เธดเธเธงเธฒเธกเนเธ•เธเธ•เนเธฒเธเธฃเธฐเธซเธงเธฒเน เธเธญเธฒเธขเธธเธเธฒเธเนเธเธชเธ–เธฒเธเธเธฃเธฐเธเธญเธเธเธดเธเธเธฒเธฃเธเธฑเธเธเธธเธเธฑเธเธเธฑเธเธเธธเธ“เธ เธฒเธเธเธตเธงเธ•เธด
           เนเธเธเธฒเธฃเธ—เธฒเธเธฒเธเธเธฒเนเธเธเธฃเธฒเธขเธ”เธฒเน เธ

เธ”เนเธฒเธเธเธงเธฒเธกเธชเธกเธ”เธธเธฅเธฃเธฐเธซเธงเธฒเน เธ                โค 14 เธเธต 15 โ€“ 25 เธเธต โฅ 26 เธเธต F p

เธเธฒเธเธเธฑเธเธเธตเธงเธดเธ•เธชเนเธงเธเธ•เธฑเธง                   (N=22)      (N=12)      (N=7)

                                     x S.D. x S.D. x S.D.

เนเธกเธ•เน เนเธญเธเธ—เธฒเธเธฒเธเธญเธขเธฒเน เธเน€เธฃเนเธเธฃเธเธต           3.78 1.01 3.88 1.25 4.00 0.71 0.111 0.895

เนเธกเธ•เน เนเธญเธเธ—เธฒเธเธฒเธเธซเธฅเธฒเธขเธญเธขเนเธฒเธเนเธเน€เธงเธฅเธฒ         3.22  1.07  2.38  1.51  2.80  1.30  1.746  0.187
เน€เธ”เธขเธต เธงเธเธเธฑ

เนเธกเธฃเน เนเธนเธชเธเธถ เน€เธเธฃเธตเธขเธ”เนเธฅเธฐเธเธฑเธเธงเธฅเน€เธเนเธขเธต เธงเธเธฑเธ  3.47  0.95  3.50  0.76  4.20  0.45  1.501  0.235
เธเธฒเธฃเธ—เธฒเธเธฒเธ

เนเธกเธ•เน เนเธญเธเนเธเนเนเธฃเธเธเธฒเธขเนเธเธเธฒเธฃเธ—เธฒเธเธฒเธ          4.00 0.67   4.25  0.46  4.40  0.89 1.061   0.355
เธกเธฒเธเน€เธเธดเธเนเธ

เนเธกเธ•เน เนเธญเธเนเธเนเน เธเธเธฒเธเธเธญเธเธ—เนเธฒเธเธเนเธญเธข เน 3.81 0.69 4.13 0.64 4.40 0.55 2.050 0.141

เธกเธตเธชเธธเธเธ เธฒเธเธเธฒเธขเธ—เธตเนเธ”เธต                     4.16 0.81 4.63 0.52 4.80 0.45 2.523 0.092

เธกเธชเธต เธธเธเธ เธฒเธเธเธดเธ•เธ—เนเธ”เธต เธต                   4.09 0.96 4.63 0.52 4.80 0.45 2.279 0.115

เนเธกเนเธกเธเธต เธฑเธเธซเธฒเนเธเธเธฒเธฃเธเธญเธเธซเธฅเธเธฑ 3.91 1.06 3.88 0.83 3.80 1.30 0.023 0.977

เธฃเธนเธชเน เธถเธเธเธถเธเธเธญเนเธเนเธเธเธฒเธเธเธเธฑ เธเธเธธ เธเธฑ 3.75 0.95 4.38 0.52 4.20 0.45 2.033 0.144

เนเธกเธกเน เธตเธเธเธฑ เธซเธฒเธเธ”เธฑ เนเธขเนเธเธเธเธฑ เน€เธเนเธญเธท เธ      3.88 1.16 4.50 0.53 4.60 0.55 1.926 0.158
เธฃเนเธงเธกเธเธฒเธ</code></pre>
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