Question

which forms of consequence strengthen a desired behavior?
positive reinforcement and punishment
extinction and negative reinforcement
extinction and punishment
positive reinforcement and extinction
positive and negative reinforcement

question 2
are the most effective schedules of reinforcement.
fixed ratio and variable ratio
fixed interval and fixed ratio
variable ratio and variable interval
continuous and fixed ratio
fixed interval and variable interval

Explanation:

Positive reinforcement adds a pleasant stimulus to increase behavior, and negative reinforcement removes an aversive stimulus to increase behavior. Variable - ratio and variable - interval schedules of reinforcement create high and consistent response rates as the individual cannot predict when reinforcement will occur.

Answer:

Question 1: positive and negative reinforcement
Question 2: Variable ratio and variable interval