_____ involves the collecting of information or evidence of a learner’s learning progress and achievement over a period of time for the purposes of improving teaching and learning.
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It should be noted that only positive assessment should be made available to the learner.
A. 对
B. 错
It should be accepted that for educational purposes and for the purposes of improving teaching and learning, assessment is far more important than testing.
A. 对
B. 错
一般计算平均比率或平均速度是用( )
A. 算术平均数
B. 调和平均数
C. 几何平均数
D. 以上方法都可以
几何平均数是（ ）
A. 数据加总除以数据个数
B. 数据的倒数的算术平均数的倒数
C. 数据的连乘积的次方根
D. 中间位置对应的数据
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