subject

Dr. rajah is studying the effects of a new drug on cognitive performance. after random assignment of
groups, one group takes the drug while the other takes a placebo. afterward, both groups do a series of
timed brain teasers and are scored on performance. dr. rajah finds a significant difference between the two
groups. does his experiment have external validity?

ansver
Answers: 1

Another question on Computers and Technology

question
Computers and Technology, 22.06.2019 15:30
To increase sales, robert sends out a newsletter to his customers each month, letting them know about new products and ways in which to use them. in order to protect his customers' privacy, he uses this field when addressing his e-mail. attach bcc forward to
Answers: 2
question
Computers and Technology, 23.06.2019 18:30
Janice recently received her college degree and is looking for a job. she is worried that since she just finished school, she will be required to repay her perkins and direct subsidized loans immediately. janice pulls out the paperwork she signed and reviews it again for repayment information. after reading all of the information, janice discovers that
Answers: 2
question
Computers and Technology, 24.06.2019 00:00
For the following example of making a peanut butter and jelly sandwich, identify which are inputs, processes, or outputs: bread scooping and spreading peanut butter plate scooping and spreading jelly finished sandwich putting two pieces of covered bread together dirty plate crumbs
Answers: 2
question
Computers and Technology, 24.06.2019 04:10
Write a program that reads a set of floating-point values. ask the user to enter the values, then print • the average of the values. • the smallest of the values. • the largest of the values. • the range, that is the difference between the smallest and largest. of course, you may only prompt for the values once.
Answers: 3
You know the right answer?
Dr. rajah is studying the effects of a new drug on cognitive performance. after random assignment of...
Questions
question
Mathematics, 17.02.2021 18:10
question
Mathematics, 17.02.2021 18:10
question
Biology, 17.02.2021 18:10
Questions on the website: 13722363