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Show 17 numbe-r each of of treatment 1970 in involving f Lf three, the o bs e rv sampling ficancc. The t.reatmeat means chosen was rejected. as groups was of sion it the among scores the the level was three t r e at men t study concluded On there treatment means ei on gains of the as we on science mean ll., Lf the post test m(asures scores showed that the T-l better, than any of science the among three the s pri.or comprehen differences reten tion or treatments; the in to au o A.lthough i.nspection students t he.r t'JO did groups on both th3 posttest dnd retention of experienti.al training upon . (19/1) studied the effects empathy, i.nterpersonal sensitivity, cynicism recruits. recruits their f Lr s t their would be comprehension. t ud.ent s Lgn L« statistical (direct experience) knmvledge and comprehension Zacker of the significant ther significant not of no not were all groups the basis s for all scores were concerning sci.ence know Le dge and of variance Ly a Ls similar in know.Le dge and were content. that ana addition, hypotheses the pretest significant; therefore, the In The. 05 1evel of groups. for of use whic.h all null at of variance selected science the analysis for not the were instruments of variance. analyzed through we re teachers at t i.t ude and Spring three schools and Both students analyzed by analysis analysis implementation o.f the the at i.ons conducted in the was each of in Know Ledge treatments. to the outdoor environmen t for study c.lassrooms 261 students. adieIn Ls te r ed and student on rh=g r ade total of a The analyzed. was group randoml.y assigned we re of cuclen ts making ob se rv a tions s A of sophisticated battery of day the l'le'\v Ycrk of recruit tests and was Housing Authority training training (13 weeks later). and again a li.en at in administered to Police at Lcn the Random selection police a group Dep a rt.mcu t during ccrmpletion led to of the fo:r·mat:i.on |