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SPSS Output: Factorial ANOVA for Memory Performance Supplement

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SPSS Output: Factorial ANOVA for Memory Performance Supplement

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Questions and Answers

What is the dependent variable in the study?

The gender of the primates

The type of supplement given to the primates

The number of pictures correctly identified (correct)

The dose of the supplement

Why did the researchers divide the primates into male and female groups?

To test the effect of the supplement on both genders (correct)

To reduce the sample size

To randomize the assignment of the supplement

To test the effect of the supplement only on males

What is the purpose of the control group in this study?

To provide a baseline for comparison (correct)

To test the effect of the supplement on females only

To test the effect of the 25 mg dose

To test the effect of the 10 mg dose

How many participants are in each of the 4 groups in the 2x2 factorial design?

15 Signup and view all the answers

What type of design is used in this study?

2x2 factorial design Signup and view all the answers

What is the purpose of randomly assigning participants to the treatment groups?

To control for extraneous variables Signup and view all the answers

What is the independent variable in the study?

The type of supplement given to the primates Signup and view all the answers

What is the purpose of using a 2x2 factorial design?

To examine the interaction between the supplement and gender Signup and view all the answers

What is the primary purpose of dividing the subject primates by gender in the current study?

To compare the response to the supplement between male and female primates Signup and view all the answers

How many participants will be in each cell of the 2 x 2 factorial design?

10 Signup and view all the answers

What type of design is used in the current study?

2 x 2 factorial design Signup and view all the answers

What is the total number of participants in the study?

60 Signup and view all the answers

What is the purpose of using a 2 x 2 factorial design in the study?

To examine the interaction between two independent variables Signup and view all the answers

What is the difference between the two treatment conditions in the study?

The dose of the supplement (10 mg vs. 25 mg) Signup and view all the answers

Study Notes

Research Study Design: Memory Performance Supplement

The study aims to test the effectiveness of a new memory performance supplement on primate subjects.
The dependent variable is the number of pictures correctly identified by the subjects.

Study Design and Procedure

The study uses a 2 x 2 factorial design with different participants in each cell.
The 60 subject primates are divided by gender: 30 males and 30 females.
Each gender group is further divided in half and randomly assigned to one of two treatment conditions:
- 10 mg dose of the supplement
- 25 mg dose of the supplement

Independent Variables

Gender (male/female)
Dose of supplement (10 mg/25 mg)

Factorial ANOVA Design

Two independent variables are crossed to create four treatment combinations:
- Male, 10 mg dose
- Male, 25 mg dose
- Female, 10 mg dose
- Female, 25 mg dose

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Description

Quiz about a research study on the effect of a memory performance supplement on picture identification using SPSS output and factorial ANOVA. Measures the number of correctly identified pictures.