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The study determined the role of personal values in doctor of philosophy (Ph.D.) students’ academic success in Tanzania. Specifically, it looked into the influence of openness to change values, self-enhancement values and conservation values on Ph.D. students’ academic success.

The study employed a cross-sectional survey design, in which 200 Ph.D. students from Tanzanian universities were involved by responding to a questionnaire. The relationship between the variables was determined by using structural equation modeling, and testing of the measurement model was done by confirmatory factor analysis (CFA).

The results indicate that personal values influence Ph.D. students’ academic success. Particularly, openness to change values have an ß value of 0.209 and p value of < 0.001, self-enhancement values have an ß of 0.173 and p-value of < 0.001 and conservation values have ß of 0.339 and p-value of < 0.001.

In the quest to improve Ph.D. students’ academic success, universities and Ph.D. students should foster openness to change values, self-enhancement values and conservation values in Ph.D. students.

The results of this study extend the use of the Schwartz theory of basic human values in explaining the academic success of Ph.D. students in Tanzanian universities. Past studies that applied this theory were based on secondary school and college students. Moreover, based on the author’s knowledge, this study is one of the early studies to systematically look into the role of personal values on Ph.D. students’ academic success. Thus, the study contributes to the existing literature on personal values and academic success because previous studies on this subject could not examine Ph.D. students’ success in isolation.

The study aims to investigate how personal values (PVS) influence research self-efficacy (RSE) among academics in public universities in Tanzania.

A cross-sectional design was utilized by the study to gather data once through structured questionnaires administered to 247 academic staff from four public universities in Tanzania.

Generally, the results show that PVS positively and significantly influence RSE in universities. Specifically, OPC has β value of 0.284 and p < 0.001, SEFN has β = 0.352 and p < 0.001 and CONS has a β = 0.198 and p = 0.003.

University management should include PVS as among the criteria for recruitment of academic staff, as it determines their confidence in engaging in research.

The findings of this study broaden the applicability of Schwartz human values theory in Tanzania’s universities. Moreover, by carrying out empirical research on the influence of PVS on RSE in developing context such as Tanzania, the study contributes to the body of literature on PVS and RSE.

Human resource development (HRD) has been considered in enhancing organisational operations as human resources are vital for organisational performance. This study aims to examine the role of HRD on the effectiveness of public procurement in Tanzania.

This study employed a cross-sectional research design under which data was collected from 168 procurement professionals in Dodoma city, Tanzania. Structural equation modelling (SEM) was employed to analyse the collected data and examine the structural relationships between HRD and the effectiveness of public procurement in Tanzania.

The findings revealed that all the variables of human resource development; career development, training and performance appraisal, are statistically significant and positively related to the effectiveness of public procurement. Therefore, the findings reveal that career development, training and performance appraisal as HRD practices play an important role in enhancing the effectiveness of public procurement in the surveyed public procuring organisations in Tanzania.

This current study divides HRD into three main practices: career development, training and performance appraisal. This limits the study's applicability to other HRD practices that organisations may institutionalize to public procurement professionals who work in various public organisations in Tanzania.

This paper integrates the concept of HRD and public procurement effectiveness. Therefore, the study adds value to the literature on human resource management and public procurement management.

This study aimed to examine the influence of psychological capital on the students' academic success in a PhD journey in Tanzania.

A cross-sectional survey design was used and data were collected through structured questionnaires from 200 PhD students in Tanzania. Confirmatory factor analysis was used to test the measurement model. The hypotheses were empirically tested using structural equation modeling (SEM).

The findings affirm that psychological capital in terms of hope, self-efficacy, resilience and optimism are significant predictors of students' academic success in a PhD journey.

To the best of the authors' knowledge, this paper is among the first to comprehensively examine the influence of psychological capital on students' academic success in PhD studies. Previous studies have primarily focused on the undergraduate level. Additionally, this study extends the applicability of conservation of resource (COR) theory to the context of PhD students, demonstrating that psychological capital serves as a crucial resource for them to achieve success in their PhD studies.

The major purpose of this paper is to examine the influence of openness to change on research publication in higher education institutions (HEI) in Tanzania.

With a sample of 247 academics, a cross-sectional survey design was used and questionnaires were the primary data collection tool. The collected data were tested using mean and standard deviations, and the causal–effect relationship between the independent and dependent variables was tested using simple linear regression.

The findings of this study revealed that openness to change positively and significantly influence research publication in higher education (β = 0.598 and p < 0.001).

The study recommends that HEI should consider openness to change value as one among criteria for hiring academics as well as developing good programs that will help academics develop the academics' self-awareness with regard to what takes for one to be a productive researcher.

This is the first study to examine the influence of openness to change as a personal value on academics’ research publication in Tanzanian HEI. In this instance, the study contributes to the existing literature on the influence of academics' personal values in terms of openness to change on research publication.

This study aims to examine the influence of research self-efficacy (RSE) on academics' research productivity (RPR) in public higher education institutions in Tanzania.

A cross-sectional design was utilized to collect and analyze data from 247 academics in four public higher education institutions in Tanzania.

The findings show that RSE has a positive and significant influence on academics' RPR in higher education (ß = 0.657 and p < 0.001).

Higher education institutions should focus on creating a favorable work environment that fosters academics' RSE so as to enhance more productivity in terms of research.

The results of this study expand the aspects in which social cognitive theory can be applied in Tanzania's higher education institutions. On the other hand, by conducting empirical-based research on the influence of RSE on RPR in developing nations like Tanzania, the findings contribute to the literature on RSE and RPR.