首页/ 题库 / [单选题]研究者选取2、5、8岁三个年龄组的儿童,的答案

研究者选取2、5、8岁三个年龄组的儿童,每两年考察一次儿童的自我概念,以了解儿童自我概念的发展趋势,并考察出生年代对儿童自我概念的影响。这是()研究。

单选题
2021-09-01 20:58
A、横断研究
B、纵向研究
C、序列设计
D、以上都不对
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正确答案
C

试题解析

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