فهرست مطالب مرتضی شفعتی

We cannot prove our claims by referring to directly experienced perceptions, quotations, or historical documents, including in audits whose main feature is the exercise of professional judgment. Judgment must be supported by strong reasoning to be considered more valuable. In this study, we introduce the factors that can improve the argument. The research methodology, which was conducted over a one-year period from February 2019 to February 2020, is mixed. In this study, with the help of 13 experts in the field of auditing, accounting and finance, with the help of Delphi method, 24 factors affecting the argument in 3 Delphi repetitions have been calculated. Also, the content validity ratio) CVR (and content validity index) is CVI (validation validation). Then, with the help of comprehensive fuzzy interpretive structural modeling method, the factors are modeled at 11 levels. It has been collected in which the discrepancy rate of 0.0024 has been reported. In the lowest level of the comprehensive structural model of comprehensive interpretation, the auditor's intelligence and experience, auditing and accounting standards and audit instructions are considered as influential factors and are at the highest level of the model. The comprehensive inclusive interpretive structure obtained enables the defense and non-bias of the text, as well as the auditor's skepticism and independence. Adequacy and transparency in information have been extracted as linking factors, which shows that the emphasis of auditors and managers on these factors can improve the strength of the auditor's reasoning. Finally, with the help of experts and research background, why the relationship and interpretation of these relationships in the model. The final count is specified.

Changes in capital markets in recent years have increased the auditor's pivotal role in the areas of decision making. Thus, recognizing and clarifying the nature of the performance and services offered by audit firms and their costs are a new field of efficiency capital markets in the world. The purpose of this research is investigation of audit market concentration on audit report lag and auditor tenure of Listed Companies in Tehran Stock Exchange. In this research, 92 companies were surveyed from 2011 to 2017. In order to measure audit market concentration, audit tenure and audit report lag. indicators of  TOP4SHARE, Number of years accumulated since the beginning of the auditor's activity in the company and natural logarithm of  time interval between the end of the fiscal year and the date of audit report are used respectively. The results showed that both aspects of the audit market concentration, had a negative and significant effect on the delay of the audit report and the auditor's tenure period.

Metaphor is one of the ways to improve the effectiveness of operations and business functions in society can be, because it creates a positive mindset for an increase in commitment and job responsibilities, particularly in the auditing profession. Metaphorization in auditing can lead to auditors' professional skepticism to perform quality work and to examine all aspects of the performance of the clients. The purpose of this research is The effect of Mental Metaphors on Professional Skepticism Auditors on Fraud Risk Assessment and Audit Quality. In this research, two metaphors were used based on the researches of Parlee et al. (2014), Mubako & O'Donnell (2017) to better understand the suspicions of auditors in assessing the risk of fraud in the financial statements and the quality of the audit. Data were collected by questionnaire and for analyzing the hypothesis of the research, multivariate Manua multivariate tests, repeated variance analysis and follow-up tests were used to compare the time. The results of the research showed that auditors' differences in terms of their perceptions of audit metaphors increase the risk of corporate fraud and audit quality.