The mixed methods approach to research a. combines both ...

[sjones]

The mixed methods approach to research
 
  a. combines both quantitative and qualitative methods.
  b. takes into consideration all possible paradigmatic, philosophical, and theoretical perspectives about a phenomenon.
  c. calls for various forms of sampling procedures and data gathering.
  d. All of these.
  e. None of these.

Question 2

Define a variable interval (VI) schedule of reinforcement and summarize the general effect of a VI schedule on behavior.
 
  What will be an ideal response?

[Silverbeard98]

Answer to Question 1

D

Answer to Question 2

With variable interval schedules of reinforcement, the individual is rewarded after an average time interval. VI schedules tend to produce very consistent or steady
patterns of behavior because the respondent never knows when the reinforcer will be awarded next.