Page 140 - รวมเลมวจยในชนเรยน 2-2562_Neat
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T-TEST PAIRS = POST WITH PRE (PAIRED)
/CRITERIA = CI(.9500)
/MISSING = ANALYSIS.
T-Test
Paired Samples Statistics
Mean N Std. Deviation Std. Error Mean
Pair 1 POST 25.51 37 2.022 .332
PRE 14.00 37 6.519 1.072
Paired Samples Correlations
N Correlation Sig.
Pair 1 POST & PRE 37 -.704 .000
Paired Samples Test
Paired Differences
95% Confidence Interval
Std. Std. Error of the Difference Sig.
Mean Deviation Mean Lower Upper t df (2-tailed)
Pair 1 POS -PRE 11.514 8.071 1.327 8.822 14.205 8.677 36 .000
