A、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 华文中宋; mso-hansi-font-family: 华文中宋; mso-bidi-font-family: " times="" new="" roman""="">访谈法</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 华文中宋; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: " times="" new="" roman""=""><span style="mso-spacerun: yes"> </span></span>
B、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 华文中宋; mso-hansi-font-family: 华文中宋; mso-bidi-font-family: " times="" new="" roman""="">问卷法</span>
C、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 华文中宋; mso-hansi-font-family: 华文中宋; mso-bidi-font-family: " times="" new="" roman""="">观察法</span><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 华文中宋; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: " times="" new="" roman""=""><span style="mso-spacerun: yes"> </span></span>
D、<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 华文中宋; mso-hansi-font-family: 华文中宋; mso-bidi-font-family: " times="" new="" roman""="">文献法</span>
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