< >教学过程评价模型</P>
< >摘要<FONT face="Times New Roman">:</FONT>本文主要以对教师的教学评价为目标<FONT face="Times New Roman">,</FONT>对教学评价评分建立一个数学模型<FONT face="Times New Roman">.</FONT>该模型引入期望<FONT face="Times New Roman">,</FONT>概率统计<FONT face="Times New Roman">,</FONT>离散型随机变量等数学知识<FONT face="Times New Roman">,</FONT>使整个综合评价结果的评价过程变得更加清晰明了<FONT face="Times New Roman">. </FONT>关键词:加权平均<FONT face="Times New Roman">,</FONT>离散型随机变量<FONT face="Times New Roman">,</FONT>概率统计<FONT face="Times New Roman">,</FONT>数学期望<FONT face="Times New Roman">,</FONT></P>
< ><FONT face="Times New Roman"> <p></p></FONT></P>
<P >一、问题的提出<FONT face="Times New Roman">: </FONT></P>
<P >背景<FONT face="Times New Roman">: </FONT>当前,教育部大力推进基础教育课程改革,调整和改革基础教育的课程体系、结构、内容、构建符合素质教育要求的新的基础教育的课程体系。新课程的培养目标体现了时代的要求,提出了目标,其中,要求改变课程评价过分强调甄别与选拔的功能,发挥评价促进学生发展,教师提高和改进教学实践的功能。在新课改的形势下,如何建立促进学生发展和教师不断提高的评价体系,发挥教学评价对教学工作的导向、激励、调控、改进的作用。本文就新课堂教学评价指标体系的原则,以及评价计算方法,评价的结果的统计处理等予以综述,旨在研究推行与新课改相配套的课堂教学评价。</P>
<P ><FONT face="Times New Roman"> <p></p></FONT></P>
<P ><FONT face="Times New Roman">2</FONT>教学过程评价。<FONT face="Times New Roman"> </FONT>对教师的教学过程的评价<FONT face="Times New Roman">,</FONT>考虑下列六个方面的因素:<FONT face="Times New Roman">u1. </FONT>熟悉教学内容<FONT face="Times New Roman">,</FONT>能脱稿讲课;<FONT face="Times New Roman">u2. </FONT>讲述内容正确<FONT face="Times New Roman">,</FONT>充实<FONT face="Times New Roman">,</FONT>能理论联系实际<FONT face="Times New Roman">; u3. </FONT>讲课条理清楚、逻辑性强,重点、难点突出;<FONT face="Times New Roman">u4.</FONT>板书规范、简洁,图示明快;<FONT face="Times New Roman"> u5.</FONT>能恰当运用各种现代化手段;<FONT face="Times New Roman">u6.</FONT>有效地使用课堂时间,能用启发式进行教学。每一个因素分<FONT face="Times New Roman">5</FONT>个等级:<FONT face="Times New Roman">v1</FONT>很好、<FONT face="Times New Roman">v2</FONT>好、<FONT face="Times New Roman">v4</FONT>较好、<FONT face="Times New Roman">v5</FONT>一般、<FONT face="Times New Roman">v6</FONT>不好。某个班十位同学给一位教师评分,结果如下:</P>
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TR>
<TD vAlign=top width=95 rowSpan=2>
<P >因素</P></TD>
<TD vAlign=top width=473 colSpan=5>
<P >等级</P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">V1</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">V2</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">V3</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">V4</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">V5</FONT></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">U1</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">3</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">2</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">U2</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">3</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">2</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">U3</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">4</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">1</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">U4</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">U5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">1</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">4</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">U6</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">3</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">3</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">4</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD vAlign=top width=95>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR></TABLE>六个因素的权重分别为:0.13,0.3,0.2,0.12,0.12,0.13。请根据上述资料对该教师做出评价。(表中数字为打分的学生人数) |