Helping others but Hurting Yourself? The underlying mechanism linking helping behavior to task performance.

Helping behavior positively influences organizational effectiveness, which is why the importance of this behavior is highlighted in Chinese enterprises, and employees are encouraged to engage in it. However, from an actor-centric perspective, helping behavior is not always beneficial. In this paper, cognitive-affective personality system theory is applied to link helping behavior to task performance, thus enhancing the understanding of the effects of helping behavior. By adopting a two-wave questionnaire survey, data from 202 leader-subordinate dyads were gathered. Then, the BruceR (V0.7.2) package of Rstudio (V4.1.1) was used to generate a multi-mediated moderation model and test the hypotheses. The following results were obtained: 1) Helping behavior was negatively associated with task performance. 2) Cognitive irritation and emotional exhaustion serially mediated the influences of helping behavior on task performance. 3) Team-level communal goal striving moderated the indirect influence of helping behavior on task performance; the indirect influence was only significant when the levels of team communal goal striving were low. From an actor-centric perspective, this paper presents evidence for the connection between helping behavior and task performance. Numerous implications for management approaches are presented to maximize the management of helping behavior.

Guideline for C1 Lateral Mass and C2 Pedicle Screw Choices in Children Younger Than 6 Years.

STUDY DESIGN: Prospective study. OBJECTIVE: To analyze the most feasible choice of C1 lateral mass (C1LM) and C2 pedicle (C2P) screw in upper cervical surgeries for children younger than 6 years. SUMMARY OF BACKGROUND DATA: The C1LM and C2P screw technique is a stable cervical vertebrae internal fixation method in upper cervical surgery. Some tomographic studies have indicated the feasibility of insertion of C1LM and C2P screws in children. Their results, however, varied widely, and no consensus was achieved regarding C1LM and C2P screw choices for different ages in the pediatric population, sex, and laterality. METHODS: The computed tomography images of 250 patients (age 2-6 yr) were studied. The inner diameter and length for each C1LM and C2P were measured in axial view. Height was measured in sagittal view. Screw choice was considered feasible when a sample maintained an additional 0.5 mm bone cortex at the inner diameter, length, and height at the same time. Analyses with the Student t test were performed for age, sex, and laterality. The screw choice was evaluated with a feasibility percentage. RESULTS: Statistical differences were found between different ages, sex, and laterality for C1LM length (P < 0.001) and C2P length (P < 0.001). Screws of different sizes were recommended for each age group, sex, and laterality, with a feasibility percentage. CONCLUSION: The use of a 3.5-mm lateral mass and pedicle screw in 2- to 6-year-old children was feasible in the majority of cases. Age, sex, and laterality should all be considered when choosing screw sizes in pediatric upper cervical surgeries. This information can be particularly helpful for preoperative planning for C1-C2 internal fixation. LEVEL OF EVIDENCE: 3.