This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An experimental researcher selects students to participate in a study examining the influence of a ... (Read 237 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Mar 7, 2019
An experimental researcher selects students to participate in a study examining the influence of a new math curriculum in an elementary school grade. The researcher randomly assigns the students to the new curriculum or a control group. However, some other events focusing on math may occur outside the classroom. What potential threat to validity exists in this experiment?
◦ Selection
◦ Regression
◦ History
◦ Ability scores
Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research ¦ Creswell ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by acc299 on Mar 7, 2019

Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Mar 7, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


acc299

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Mar 7, 2019
TY


Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Mar 7, 2019
You're welcome


« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Abiotic factors influence population densities. Abiotic factors influence population densities.
William Masters and Virginia Johnson are among the most influential researchers in the history of th William Masters and Virginia Johnson are among the most influential researchers in the history of th
Both students with intellectual disability (ID) and students who are intellectually gifted need ... Both students with intellectual disability (ID) and students who are intellectually gifted need ...
Factors that Influence Pulse Rate Factors that Influence Pulse Rate
LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ... LiH has an experimental dipole moment, μ = 6.00 D. If LiH were 100% ionic, the distance ...
Study Tips Study Tips
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library