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First, this study aimed to investigate the association of time perspective (TP) profiles with work engagement and workaholism. Second, it tested TP profiles as the moderator of perfectionism with work engagement and workaholism relationship.

The sample of this study comprised 148 Japanese employees, and snowball sampling was used for data collection. The authors found the TP profiles in the first step using cluster analysis with five TP dimensions. Next, the authors tested workaholism and work engagement in three clusters. The two dimensions of perfectionistic strivings and perfectionistic concerns were extracted through the exploratory factor analysis of Sakurai and Ohtani's (1997) perfectionism measure. Further, their relationship with workaholism and work engagement was tested in the TP profiles using multiple group analysis in structural equation modeling (SEM).

Three TP profiles were found, which the authors named: Future (F), Hedonistic and Balanced. There was a significant difference between the three groups. Notably, working compulsively was significantly higher in the Future cluster in the three clusters. The moderator analysis results indicated that perfectionistic concerns positively affected workaholism in the Future cluster but not for the Balanced cluster.

To the best of authors’ knowledge, this is the first study to investigate the relationship between perspective profiles, workaholism and work engagement. The relationship between these factors can be a stepping stone for further research.

While the role of solidarity in the workplace has been examined in previous research, it is still an important component of the workplace for Japanese employees. The purpose of this paper is to integrate findings on solidarity at the workplace, job satisfaction and intent to turnover. A moderated mediation model is hypothesized where solidarity predicts intent to turnover via job satisfaction, but the strength of this whole mediation process is moderated by employees’ length of working overtime or working long hours.

The data analyzed in this study were acquired from the Japanese General Social Survey 2010, which was administered to 527 men and 278 women.

The results generally supported the assumptions; the proposed mediation model proved to be statistically significant, even when background covariates were introduced into the model to control for pre-existing differences. Also, the proposed moderated mediation model was supported; solidarity strongly increased job satisfaction when working overtime was low.

Because of measurement of solidarity, this study results may limit the generalizability. Researchers should explore the relationship between the dimension of solidarity and job satisfaction.

The paper includes the implications for human resource management, the developing of solidarity at the workplace and for managing the strain of working overtime.

This study was the first to examine the relationship between solidarity at the workplace and job satisfaction and the moderating effects of working overtime.

The pressure exerted on the body by clothes is one important factor affecting the comfort of clothing, it is an effective method to evaluate pressure comfort by physiology and psychology. The purpose of this paper is to measure, electroencephalography (EEG), an index of brain activity in order to examine the effect on brain activity conditions caused by oppression exerted by clothing on the body.

EEG power spectrum analysis was conduct to verify the electrophysiological characteristic of brain caused by pressure on the body by girdle.

Experimental results showed that the intensity of α waves in the pressure condition is decreased compared to the non-pressure condition, and the somatosensory activated by pressure of girdle mainly in occipital, frontal and parietal region of brain.

It was clarified that it is impossible to evaluate the clothes pressure by physiological technique of EEG, this study has enriched methods of evaluation pressure comfort.