The variable an experimenter is interested in is systematically ...

[ghost!]

The variable an experimenter is interested in is systematically changed between or among groups while all other variables are held constant. The variable of interest is called the
 
  A) independent variable.
  B) experimental variable.
  C) control variable.
  D) dependent variable.

Question 2

Hakeem is experiencing a strong need to urinate and burning during urination. Hakeem may have
 
  A) urethritis.
  B) prostate cancer.
  C) penile cancer.
  D) cryptorchidism.

[Jadwiga9]

Answer to Question 1

A

Answer to Question 2

A

[ghost!]

Gracias!

[DylanD1323]

Thanks for the timely response, appreciate it