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 154 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
Thanks for the timely response, appreciate it

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Varus Stress Test Varus Stress Test
Administration of the Rinne test. Administration of the Rinne test.
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
A schematic cross section of the spinal cord and the dorsal and ventral roots. A schematic cross section of the spinal cord and the dorsal and ventral roots.
Examples of the Types of Cards Used in a Test of Inductive Reasoning Examples of the Types of Cards Used in a Test of Inductive Reasoning
The Turing Test The Turing Test
Video: Integumentary Anatomy

For a complete list of videos, visit our video library