中文摘要：

研究考察了不同学习时段上，项目分值对学习时间分配的影响。结果发现（1）分值的主效应显著，被试会选择更多的高分值项目学习，且在高分值项目上分配更多的学习时间；（2）分值与学习时段存在交互作用，被试首先学习高分值项目，随后逐渐将学习重心转向中等分值项EI，最后在临近测试前重点重学高分值项目。结果表明：学习时间分配是动态变化的，个体为了尽可能实现学习目标会在学习过科中不断调整所建构的议程。

英文摘要：

Knowing how to manage one＇s own learning has become increasingly important in recent years. When we are trying to learnnew materials, how do we allocate study time？ The Agenda - Based Regulation approach, proposed by Ariel, Dunlosky and Bailey（2009） , assumes that learners develop an agenda on how to allocate time and use this agenda when selecting items for study. The pres-ent study built a complex learning situation to explore the dynamic process of allocation of study time and the internal mechanism of theconstruction of agendas. The purpose of the experiment was to investigate the effect of item valuation on item selection and self - paced study time in differ-ent learning stages. There were 40 college students taking part in the experiment. They were asked to learn 30 word pairs with differentvalues （1- 30 points） on one screen. Participants were informed that the point value indicated how much the item was＂ worth＂. In theprocess of learning, the allocation of study time was under the participant＇s control. After the study time, participants would finish theassoeialed recall test. This experiment was conducted with a 3 （item value 1 - 10 points, 11 -20 points, 21 -30 points） x 9 （time range： a total of270s, every 30s for a period of time） within - subjects design. The experiment found： allocation of study time was a dynamic process,which can be divided into three learning stages. In the first stage, participants tended to select more high- value （21 N 30） items anddevoted more of their study time to these items. In the second stage, participants transferred their attention to study the medium - value（ 11 - 20） items ; in the last stage, participants selected more high - value items to review. The results indicated that there was a weig-hing decision - making process in the allocation of study time. The findings were in accordance with the agenda - based regulation modelregarding the study time allocation. In addition, these results clarified the process of weighing decis