Two-Factor ANOVA

 

Two-Factor ANOVA

  1. What is the dependent variable?

DV: passive avoidance.

  1. What are the independent variables?

IV: Maternal diet. Levels: No alcohol, alcohol.

IV: age. Levels: adolescent, adult

  1. State the three alternative hypotheses in words. State the alternative hypothesis of the interaction in terms of whether the effects of diet depend on age.

 

H1: Main effect of maternal diet is significant: There are significant differences in passive avoidance means between rats with a maternal diet with alcohol and rats with a maternal diet without alcohol ( or passive avoidance of rats with a maternal alcohol with alcohol is significantly different from passive avoidance of rats with a diet without alcohol).

 

H1: Main effect of age is significant: There are significant differences in passive avoidance means between adolescent and adult rats (or passive avoidance of adolescent rats is significantly different from the passive avoidance of adult rats)

 

H1: The diet by age interaction is significant: The effect of diet on passive avoidance depends on age: The effects of maternal diet on passive avoidance is significantly different in adolescent rats and adult rats.

  1. Which two means are compared to determine whether there is a main effect of maternal diet?

  4.8 and 11

  1. Which two means are compared to determine whether there is a main effect of age?

  9.6 and 6.2

  1. Which of the following statements is TRUE

There are main effects of both maternal diet and age, and an interaction

 

  1. Is the main effect of age significant? Provide F, df, p-value, and effect size (partial eta squared).

Yes, the main effect of age is significant because p is less than alpha, F (1,16) = 12.23, p = .003, η2 = .43.

  1. If the main effect of age is significant, describe the main effect of age. Include the overall means and corresponding standard deviations in your description.

Main Effect of Age: Adolescent rats show significantly higher passive avoidance (M = 9.60, SD = 6.65) than adult rats (M = 6.20, SD = 2.04 ).

  1. If there is a main effect of maternal diet, is the main effect of maternal diet significant? Why? Provide F-statistic, df of numerator, df of denominator, and p- value?

Yes, the main effect of maternal diet is significant because p is less than alpha, F(1,16) = 40.67, p = .0001, η2 = .71.

  1. If the main effect of maternal diet is significant, describe the main effect of maternal diet. Include the overall means and corresponding standard deviations in your description.

Main Effect of Maternal Diet: Rats with a maternal alcohol diet show a significantly higher passive avoidance (M = 11.00, SD = 5.49 ), than rats without a maternal alcohol diet (M = 4.80 , SD = 1.81 ).

11.If there is an interaction, is the interaction significant? That is, does the effect of maternal diet on passive avoidance depends on the levels of age(i.e., on whether the rat is adolescent or adult)? Why? Provide F-statistic, df of the numerator, df of the denominator ,  and p-value.

The maternal diet by age interaction was significant because p is less than alpha, F(1,16)= 35.59, p=.0001

12.If the Age by Maternal Diet interaction is significant, describe the interaction. Include individual means and their corresponding standard deviations in your description.

Adolescent rats have higher passive avoidance when they have a maternal diet that includes alcohol (M= 15.60, SD= 2.881) than when they do not have a maternal diet that includes alcohol (M= 3.60, SD= 1.140). Adult rats also have higher passive avoidance when they have a maternal diet that includes alcohol(M = 6.4, SD = 6.4) than when the maternal diet does not include alcohol (M = 6, SD = 1.58). However, the difference in passive avoidance between the alcohol and no alcohol conditions is larger in adolescent rats than in adult rats.

  1. Graph the interaction. On the “Category Axis” box put “maternal diet”. On the “Define Lines by” box put “age. Paste the graph into a word document and upload the file.

 

  1. Report the results in APA

A two-factor ANOVA was conducted to examine the effects of maternal diet and age on passive avoidance. There were significant main effects of maternal diet, F(1,16) = 40.67, p=.0001, and of age F (1,16) = 12, 23, p= .003. The interaction between maternal diet and age was also significant, F(1,16) = 35.59, p=.0001. Adolescent rats have higher passive avoidance when they have a maternal diet that includes alcohol (M= 15.60, SD= 2.881) than when they do not have a maternal diet that includes alcohol (M= 3.60, SD= 1.140). Adult rats also have higher passive avoidance when they have a maternal diet that includes alcohol (M = 6.4, SD = 6.4) than when the maternal diet does not include alcohol (M = 6, SD = 1.58). However, the difference in passive avoidance between the alcohol and no alcohol conditions is larger in adolescent rats than in adult rats.

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more
Open chat
1
You can contact our live agent via WhatsApp! Via + 1 3234125597

Feel free to ask questions, clarifications, or discounts available when placing an order.

Order your essay today and save 25% with the discount code CLASS