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

Author Question: In Katia's remedial mathematics study, she collected pretest data from a group of participants. She ... (Read 102 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
In Katia's remedial mathematics study, she collected pretest data from a group of participants.  She divided the participants into three groups.  One group received no treatment, one group received instruction by a teacher-delivered intervention, one group received peer tutoring on the same problems.  After the intervention she tested their math skills. With which validity threat should Katia be most concerned?
◦ Pretest-treatment interaction
◦ Instrumentation
◦ Testing
◦ Maturation


Related Topics

Need homework help now?

Ask unlimited questions for free

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

joewallace

  • Sr. Member
  • ****
  • Posts: 337
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 56% of students answer this correctly





 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

For a complete list of videos, visit our video library