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

Author Question: Jack wants to test whether runners on his cross-country team improve with his new training regimen. ... (Read 84 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Mar 8, 2019
Jack wants to test whether runners on his cross-country team improve with his new training regimen.  He measures their run times at the beginning of the season and again at the end of the season.  Runners in Jack's study improving their times due to running generally and not necessarily due to the new regimen is an example of which of the following threats?
◦ History
◦ Selection
◦ Maturation
◦ Instrumentation
Educational Research: Competencies for Analysis and Applications ¦ Mills, Gay ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by nautica902 on Mar 8, 2019

mcni194

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Mar 8, 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 30% of students answer this correctly


nautica902

  • Member
  • Posts: 591
Reply 2 on: Mar 8, 2019
Great answer, keep it coming :)

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Knee Reflex Test Knee Reflex Test
Catalase Test Catalase Test
If necessary, connect a battery charger to the battery before starting the compression test. It is ... If necessary, connect a battery charger to the battery before starting the compression test. It is ...
A cross-sectional view of a typical zirconia oxygen sensor. A cross-sectional view of a typical zirconia oxygen sensor.
The Impact of Cross-Ethnic Friendships on Minority Students’ Well-Being The Impact of Cross-Ethnic Friendships on Minority Students’ Well-Being
Dihybrid-cross analysis Dihybrid-cross analysis
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library