Professor Miller gives a quiz once a week but he never tells students on what day the quiz will be given. This is a _____ schedule.
A. fixed ratio
B. variable ratio
C. fixed interval
D. variable interval
Answer: D. variable interval
You might also like to view...
Alcohol will erase its own hangover symptoms
a. True b. False Indicate whether the statement is true or false
Answer the following statements true (T) or false (F)
1. Our unique experiences in our environment do not influence whether and how particular traits are expressed, and at the same time, our genes do not influence how we interact with our environment. 2. Fingers and toes develop at 12 weeks, during the fetal stage of prenatal development. 3. Most teens experience the adolescent storm and stress as suggested by Hall, which includes major conflicts with their parents. 4. Cognitive activities, such as playing games and reading, can keep an adult mentally fit. 5. Not everyone facing death or the loss of a loved one experiences the five stages of the Kubler-Ross model of grief.
The branch-like structures on neurons that transmit information are known as
A. dendrites. B. cell bodies. C. axons. D. synaptic vesicles.
Angela, a cooperative and attentive child, receives more patient and sensitive interactions from her parents than Carlos, who is inattentive and hyperactive. This is an example of a(n) ________ gene–environment correlation
A) active B) evocative C) dynamic D) passive