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

Author Question: A commonly used design in adult development and aging research is the extreme age design (young ... (Read 109 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Aug 23, 2018
A commonly used design in adult development and aging research is the extreme age design (young versus old). Which of the following is a limitation of this type of study?
 
  a. the samples are not representative and may not generalize
  b. the measures may not mean the same thing across age groups and may not be valid
  c. age is not treated as a continuous variable
  d. all of these

Question 2

ou recently read a study in which the researchers concluded that after age 60, women's IQs drop dramatically. This conclusion was based upon comparisons of women born between 1910-1930 and women born between 1960- 1980. Based upon this information,
 
  the comment you would most likely make is
  a. this is not a valid result because men were not included in the study.
  b. longitudinal research doesn't work well when looking at IQ over time.
  c. cohort effects likely account for the observed differences.
  d. whoever conducted this study is negatively biased against older women.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Joc

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 23, 2018
Answer to Question 1

ANSWER: d

Answer to Question 2

ANSWER: c


krzymel

  • Member
  • Posts: 548
Reply 2 on: Aug 23, 2018
YES! Correct, THANKS for helping me on my review

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

An adult male killer whale with its characteristic tall dorsal fin swims in the waters near Tysfjord An adult male killer whale with its characteristic tall dorsal fin swims in the waters near Tysfjord
While numerous subspecies of the jaguar have been recognized, recent research suggests just three. G While numerous subspecies of the jaguar have been recognized, recent research suggests just three. G
Research Methods Research Methods
Development of Morality in Young Children Development of Morality in Young Children
Stages of Oocyte Development Stages of Oocyte Development
The bacterium Escherichia coli is commonly referred to as E. coli. Seen here with multiple flagella The bacterium Escherichia coli is commonly referred to as E. coli. Seen here with multiple flagella
Video: Carbohydrate Metabolism: Introduction to renal processes and filtrate formation and composition

For a complete list of videos, visit our video library