When a researcher rules out plausible alternative explanations, ...

[nramada]

When a researcher rules out plausible alternative explanations, the researcher is establishing internal validity.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

In a Donders C reaction
 
  a. two stimuli are presented on separate trials, and the participant must make a different response to each stimulus.
 b. two stimuli are presented on separate trials, but the participant must respond to only one of them.
  c. one stimulus is presented on each trial, and the participant must respond to that stimulus on every trial.
 d. one stimulus is presented on each trial, but the participant must alternate between two different responses on every trial.

[thall411]

Answer to Question 1

True

Answer to Question 2

B