· An inadequate variety of data resources is chosen which is of low high-quality/relevance. 申明文章的原创性和学术研究的真实性。通常的形式是：I declare that the articles presented Within this paper is my primary get the job done and that any outside the house information and facts has been referenced appropriately as per the APA fashion format. 定量研究通常采用科学的方法，其中包括变量... https://nimmansocial.com/story1676238/5-essential-elements-for-%E8%8B%B1%E5%9B%BD%E8%AE%BA%E6%96%87%E4%BB%A3%E5%86%99