實(shí)驗(yàn)室觀(guān)察和實(shí)地觀(guān)察的主要區(qū)別是什么
A
前者不對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱,后者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察
B
前者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察,后者不對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱
C
前者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察,后者對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱
D
前者對(duì)觀(guān)察的場(chǎng)所和對(duì)象進(jìn)行控制和操縱,后者深入到現(xiàn)實(shí)生活對(duì)實(shí)際發(fā)生的社會(huì)現(xiàn)象進(jìn)行觀(guān)察