Final answer:
Cohesiveness and performance are positively related, leading to higher job satisfaction and better organizational performance.
Step-by-step explanation:
The statement that represents an accurate research finding on group cohesion is: a—cohesiveness and performance are positively related. This is supported by research indicating that when members of a group feel a strong sense of cohesion, they may be more motivated to perform well to not let down their peers. Cohesive groups experience higher levels of job satisfaction and are less likely to exhibit withdrawal behaviors, such as leaving their job or being absent, due to higher job satisfaction. Moreover, high levels of job satisfaction can positively impact organizational performance, suggesting that companies should invest in creating a supportive and cohesive work environment.