A developmental psychologist believes that children’s self-esteem scores change with age. She measures N=8 children’s self-esteem in 3rd grade and again in 6th. Evaluate the results of her data using α = .052tail. **Attached Image** a. State the hypotheses b. Show how the t was calculated using the values from the SPSS printout. c. What is Cohen’s d?

A developmental psychologist believes that children’s self-esteem scores change with age. She measures N=8 children’s self-esteem in 3rd grade and again in 6th. Evaluate the results of her data using α = .052tail. Attached Image a. State the hypotheses b. Show how the t was calculated using the values from the SPSS printout. c. What is Cohen’s d?

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Description: A developmental psychologist believes that children’s self-esteem scores change with age. She measures N=8 children’s self-esteem in 3rd grade and again in 6th. Evaluate the results of her data using α = .052tail.**Attached Image**a. State the hypoth

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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Question

A developmental psychologist believes that children’s self-esteem scores change with age. She measures N=8 children’s self-esteem in 3^rd grade and again in 6^th. Evaluate the results of her data using α = .05_2tail.

**Attached Image**

a. State the hypotheses

b. Show how the t was calculated using the values from the SPSS printout.

c. What is Cohen’s d?

Paired Samples Test
Paired Differences
95% Confidence Interval of the
Difference
Std. Error
Mean
Std. Deviation
Mean
Lower
Upper
df
Sig. (2-tailed)
Pair 1
Sixth_grade - third_grade
4.00000
4.00000
1.41421
.65592
7.34408
2.828
7
.025

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