The answer is B: Type A. The Type A Behavior Pattern (TABP) encompasses traits such as competitiveness, where individuals constantly strive for success while often neglecting to enjoy their accomplishments. They tend to immerse themselves in work, avoiding breaks, and experience higher blood pressure since they take everything intensely to heart. Another characteristic is time urgency; Type A individuals rush through tasks and engage in irrational multitasking due to stringent schedules. Lastly, hostility is prevalent as they often perceive negativity around them, leading to persistent anger.
The degrees of freedom for the relevant chi-square distribution in a test of independence is EQUAL TO THE SIZE OF THE SAMPLE, MINUS ONE.
Answer: operational definition
Explanation: Dr. Gordon proposed measuring Johnny's hyperactivity by counting the number of instances he moves while conversing, which outlines her operational definition. This specifies the procedures she will employ to understand the nature of the observed issue or phenomenon, termed operational definition.