首页
登录
职称英语
Time sampling means that researchers choose various time intervals for their
Time sampling means that researchers choose various time intervals for their
游客
2023-12-02
83
管理
问题
Time sampling means that researchers choose various time intervals for their observation. Intervals may be selected systematically or【T1】______. Suppose we want to observe students’ classroom behaviour. Then in systematic time sampling, our observations might be made during five 20- minute periods,【T2】______. The first observation period could begin at 9 am, the second at 10 am and so forth. However, in random sampling, these five 20-minute periods may be distributed randomly over the course of the day. That is to say, intervals between observation periods could 【T3】______—some longer others shorter. One point I’d like to make is systematic and random time sampling are【T4】______. They are often combined in studies. For example, while observation intervals are scheduled systematically, observations within an interval are made 【T5】______. That means the researcher might decide to observe only during 【T6】______that are randomly distributed within each 20-minute period. [br] 【T3】
选项
答案
vary
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3238340.html
相关试题推荐
Thereisnotmuchtochoosebetweenmen.Theyareallahotchpotchofgreatness
Losingweightiseasierwhenthereismoneyontheline,U.S.researcherss
Losingweightiseasierwhenthereismoneyontheline,U.S.researcherss
Losingweightiseasierwhenthereismoneyontheline,U.S.researcherss
Losingweightiseasierwhenthereismoneyontheline,U.S.researcherss
ArecentstudybyGermanresearcherspresentsthepossibilityof"carbonfa
ArecentstudybyGermanresearcherspresentsthepossibilityof"carbonfa
Faithschoolsandacademiesshouldbestrippedoftheirpowertochoosepupi
Faithschoolsandacademiesshouldbestrippedoftheirpowertochoosepupi
[originaltext]Now,listentoPartTwooftheinterview.W:Right.Researchers
随机试题
在现今竞争激烈的社会中,每个人都免不了承受很多压力。这些心理的和社会的压力诱因包括亲密关系的破裂、家庭成员或朋友的去世、经济困境、角色冲突、超负荷工作、
自改革开放以来,中国的邮政和电信产业发展进入了一个历史性阶段。中国的邮政网络实现了整体性服务和多运输渠道。电话网络的规模以及科技和服务的水平都发生了质的
July11Ileftonmytriptoday.Havingbeenoverseasbefore,Ifeltsom
下列()室内采暖系统无法做到分户计量和分室温度调节。A.户内双管水平并联式系
在数据库逻辑设计阶段,若实体中存在多值属性,那么将E-R图转换为关系模式时,
下列各项中,不符合内部牵制的要求的是()。A、出纳人员管票据 B、出纳人员
养阴清肺汤中配伍薄荷的用意是A.疏散肝郁B.芳香辟秽C.清热透疹D.散邪利咽E.
下列哪些遗嘱因为见证人不符合条件而无效?()A.袁某在病危时立下口头遗嘱,
下列支付的股利种类中,有利于改善企业长短期资金结构的是()。A.现金股利 B
在冶金炉内使铁水中的杂质氧化,并加入合金元素的过程,称之为()。A.烧结
最新回复
(
0
)