Final answer:
The Bernstein, et al., (1983) study on risking rejection is being referenced in the question, but specific details are missing.
Step-by-step explanation:
The study being referred to in the question is the Bernstein, et al., (1983) study on risking rejection. Unfortunately, no specific details are provided regarding the content of the study or its relevance to pages 89. Therefore, further information is needed in order to provide a more accurate answer.