If a researcher only uses classificatory variables and does not manipulate any variables, the type of research is:

What are the four stages of sexual response cycle described by Masters and Johnson?

What will be an ideal response?

From the teenage years to later adulthood, job satisfaction in men _____ and

_____ in women. (a) stays constant, stays constant (b) stays constant, rises steadily (c) rises steadily, stays constant (d) rises steadily, rises steadily (e) rises steadily, diminishes steadily