subject
Social Studies, 28.07.2021 05:00 kamillecronk

Suppose a researcher is performing an experiment on children. She tests the children on one level of the independent variable at the beginning of the school year, but cannot return to test the second level until mid-April, when the school year is almost completed. What threat to internal validity may be a problem

ansver
Answers: 2

Another question on Social Studies

question
Social Studies, 22.06.2019 02:00
What do both article ii of the arizona constitution and the first amendment to the us constitution grant? check all that apply. right to assemble right to legal search and seizure freedom of the press freedom of religion right to maintain a militia
Answers: 1
question
Social Studies, 22.06.2019 11:00
Who was put in the concentration camps? and why
Answers: 2
question
Social Studies, 22.06.2019 13:50
Read the following: (1) liz has become more responsive to her partner's advances since a really beautiful woman moved in next door; (2) unable to accept his desire for other young men, 15-year-old juan immerses himself into his studies; (3) shauntel tells people that her coworker mary dislikes her; though if she were honest, shauntel would realize that it is actually she who dislikes mary; (4) "ben's nasty; he's disgusting," says renee; but renee secretly finds ben attractive. describe the defense mechanism he or she is using.
Answers: 2
question
Social Studies, 22.06.2019 15:10
Sailors went to special school to learn how to use the new technology that would them sail far distences. the school we know about was
Answers: 3
You know the right answer?
Suppose a researcher is performing an experiment on children. She tests the children on one level of...
Questions
question
Mathematics, 23.03.2021 01:20
Questions on the website: 13722365