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软考高级-信息系统项目管理师学习笔记4.18

  • 2026-04-18 15:30:38
软考高级-信息系统项目管理师学习笔记4.18

成本控制的目标

1、 对造成成本基准变更的因素施加影响

2、 确保所有变更请求都得到及时处理

3、 当变更实际发生时,管理这些变更

4、 确保成本支出不超过批准的资金限额,既不超出按时段,WBS组件和活动分配的限额,也不超出项目总限额

5、 监督成本绩效,找出并分析与成本基准间的偏差

6、 对照资金支出,监督工作绩效

7、 防止在成本或资源使用报告中出现未经批准的变更

8、 向干系人报告所有经批准的变更及其相关成本

9、 设法把预期的成本超支控制在可接受的范围内等

针对威胁,可以考虑如下5种备选的应对策略

1、 上报 如果项目团队或项目发起人认为某威胁不在项目范围内,或提议的应对措施超出了项目经理的权限,就应该采用上报策略

2、 规避, 风险规避是指项目团队采取行动来消除威胁,或保护项目免受威胁的影响

3、 转移,转移涉及将应对威胁的责任转移给第三方,让第三方管理风险并承担威胁发生的影响

4、 减轻 风险减轻是指采取措施来降低威胁发生的概率和影响

5、 接受 风险接受是指承认威胁的存在,此策略可用于低优先级威胁,也可用于无法以任何其他方式经济有效地应对的威胁

采购管理计划可以包括以下内容

1、 如何协调采购与项目的其他工作

2、 开展重要采购活动的时间表

3、 用于管理合同的采购测量指标

4、 与采购有关的干系人角色和职责,如果执行组织有采购部,项目团队拥有的职权和受到的限制

5、 可能影响采购工作的制约因素和假设条件

6、 司法管辖权和付款货币

7、 是否需要编制独立估算,以及是否应将其作为评价标准

8、 风险管理事项,包括对履约保函或保险合同的要求,以减轻某些项目风险

9、 拟使用的预审合格的卖房(如果有)等

常见的度量陷阱

1、 霍桑效应 Hawthorne effect 霍桑效应指出,对某一事物进行度量时会对其行为产生影响,因此需要谨慎制定度量指标,例如,仅度量项目团队可交付物的输出,会鼓励项目团队专注于创建更多数量的可交付物,而不是仅仅专注于度量客户更满意的那些可交付物

2、 虚荣指标 Vanity metric 对决策没有帮助的度量指标一般属于虚荣指标,例如,新访问者的数量比网站的页面访问量更加有用

3、 士气低落,如果设定了无法实现的度量指标和目标,项目团队的士气可能会下降,因此需要设定拓展性目标和激励人心的度量指标,人们都渴望辛勤工作得到认可,不现实或无法实现的目标会适得其反

4、 误用度量指标 尽量避免度量指标的误用 例如, 专注于不太重要的度量指标,以牺牲长期度量指标为代价,专注于做好短期度量工作,为了改进绩效指标,开展易于完成的无序活动

5、 确认偏见,度量过程中应尽量摆脱偏见,人们倾向于寻找并看到支持原有观点的信息,可能会导致对数据作出错误解释

6、 相关性与因果关系混淆,解释度量数据的一个常见错误是将两个变量之间的相关性与一个变量导致了另一个变量的因果性混淆,例如,项目经理看到项目进度落后且预算超支,可能会错误地推断是由于预算超支导致了进度落后,而事实上二者可能没有因果关联关系

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  1. CONNECT:[ UseTime:0.000469s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000549s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.005548s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000298s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000650s ]
  6. SELECT * FROM `set` [ RunTime:0.000670s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000678s ]
  8. SELECT * FROM `article` WHERE `id` = 481921 LIMIT 1 [ RunTime:0.000443s ]
  9. UPDATE `article` SET `lasttime` = 1776512014 WHERE `id` = 481921 [ RunTime:0.007290s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.001892s ]
  11. SELECT * FROM `article` WHERE `id` < 481921 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000532s ]
  12. SELECT * FROM `article` WHERE `id` > 481921 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000409s ]
  13. SELECT * FROM `article` WHERE `id` < 481921 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001404s ]
  14. SELECT * FROM `article` WHERE `id` < 481921 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000834s ]
  15. SELECT * FROM `article` WHERE `id` < 481921 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001111s ]
0.111349s