Author Question: If you wanted to determine whether people are faster at responding to a high intensity light than to ... (Read 263 times)

appyboo · **on:** Jun 19, 2018

If you wanted to determine whether people are faster at responding to a high intensity light than to a low intensity light you might do an experiment in which participants push a button whenever either a high or low intensity light occurs. If you were concerned with order effects such as learning but also concerned that an equal number of low- and high-intensity trials be presented, you might use

A) randomization within blocks.
B) control variables.
C) a confounding variable.
D) reverse ordering.

Question 2

If I want to generalize the results of the sample of participants I used in my experiment to the larger population of potential participants I would need to be concerned with

A) controlling all extraneous variables.
B) selecting a random sample of participants.
C) having a lot of random variables in the experiment.
D) having good internal validity.