« previous next »

Author Question: Practice effects are a major problem with . a. cross-sectional designs b. longitudinal designs ... (Read 164 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
on: Aug 23, 2018
Practice effects are a major problem with .
 
  a. cross-sectional designs
  b. longitudinal designs
  c. time-lag designs
  d. sequential designs

Question 2

If participants at the end of a longitudinal study tend to be those who were initially higher on some variable, then we have a case of
 
  a. negative selective survival.
  b. positive selective survival.
  c. elective selective survival.
  d. equally selective survival.


brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Aug 23, 2018
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

The two major categories of postsynaptic receptors. The two major categories of postsynaptic receptors.
Cross section of a myocardial infarction. Cross section of a myocardial infarction.
Radiation Side Effects, Healing Time, and Intervention Radiation Side Effects, Healing Time, and Intervention
Classification of Antidepressants: Treatment of Major Depressive Disorder Classification of Antidepressants: Treatment of Major Depressive Disorder
The major human endocrine glands and their central nervous system control centers The major human endocrine glands and their central nervous system control centers
The effects of a single crossover in a paracentric inversion heterozygote The effects of a single crossover in a paracentric inversion heterozygote
Video: The life cycle of protein

For a complete list of videos, visit our video library