This topic contains a solution. Click here to go to the answer

Author Question: Laura has developed a new treatment to increase spatial ability. She randomly assigns students to ... (Read 36 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
Laura has developed a new treatment to increase spatial ability.  She randomly assigns students to either her intervention or a control condition.  In the treatment condition students engage in working puzzles for twenty minutes a day for 10 days.  Unfortunately, students do not like her intervention and refuse to do puzzles for all of the days.  When she examines post-test means on the spatial ability measure, there are no differences between her treatment and the control condition. Which of the following demonstrates a threat to validity demonstrated in this study?
◦ Instrumentation
◦ Maturation
◦ Testing
◦ Mortality


Related Topics

Need homework help now?

Ask unlimited questions for free

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

irishcancer18

  • Sr. Member
  • ****
  • Posts: 310
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 44% of students answer this correctly




jessicacav

  • Member
  • Posts: 558
Reply 2 on: Mar 8, 2019
:D TYSM


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

For a complete list of videos, visit our video library