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

Author Question: Laura has developed a new treatment to increase spatial ability. She randomly assigns students to ... (Read 102 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Mar 8, 2019
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
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 jessicacav on Mar 8, 2019

irishcancer18

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


jessicacav

  • Member
  • Posts: 558
Reply 2 on: Mar 8, 2019
Great answer, keep it coming :)

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Immediate Treatment of an MI Immediate Treatment of an MI
The prefrontal lobotomy procedure developed by Moniz and Lima. The prefrontal lobotomy procedure developed by Moniz and Lima.
IgG after treatment with papain. IgG after treatment with papain.
First and Second Line Drugs for the Treatment of TB First and Second Line Drugs for the Treatment of TB
Phantom Limb Treatment Phantom Limb Treatment
In the Florida lottery, the numbers (between 1 and 49) are generated randomly with the ... In the Florida lottery, the numbers (between 1 and 49) are generated randomly with the ...
Video: Double Vacuum Process (Illustration No Audio)

For a complete list of videos, visit our video library