My question: Dependent-samples t-test: (a) develop a research question that can be addressed with dependent-samples t-test, (b) state the null and alternative hypotheses (in words), (c) state the alpha level, (d) run the analysis, and (e) provide interpretation of results (including checks for assumptions and effect size) following APA format
My question: Dependent-samples t-test: (a) develop a research question that can be addressed with dependent-samples t-test, (b) state the null and alternative hypotheses (in words), (c) state the alpha level, (d) run the analysis, and (e) provide interpretation of results (including checks for assumptions and effect size) following APA format
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
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My question:
Dependent-samples t-test:
(a) develop a research question that can be addressed with dependent-samples t-test,
(b) state the null and alternative hypotheses (in words),
(c) state the alpha level,
(d) run the analysis, and
(e) provide interpretation of results (including checks for assumptions and effect size) following APA format
Transcribed Image Text:Description of Data
This data set contains the achievement test (English as a Second
Language) results and
some background data collected during experimental trial of a
new ESL program. The study was
one year in duration. Students were allocated to the experimental
ESL program class and a
regular program control class on a random basis. Vocabulary and
grammar tests were
administered to the students in both groups at the beginning and
the end of the school year.
Data can be found in the excel file: ESLprogram.csv
Variables
The dataset includes 24 cases and 7 variables:
• Student ID
- Group (1 - experimental, 2 - control, 9 - missing)
· Gender (1 - male, 2 - female, 9 - missing)
• Pre-test vocabulary scores (scores range from 0 - 25, 99 -
missing)
• Pre-test grammar scores (scores range from 0 - 25, 99 -
missing)
· Post-test vocabulary scores (scores range from 0 - 25, 99 -
missing)
· Post-test grammar scores (scores range from 0 - 25, 99 -
missing)
Transcribed Image Text:Student ID
Group
Gender PreVocab PreGrammar PostVocab PostGrammar
1
1
1
14
15
18
18
1
1
2
12
11
19
19
5
1
2
13
14
19
18
6
1
1
9
17
16
1
2
10
13
18
17
1
2
12
15
19
18
10
1
2
10
17
17
11
1
1
10
12
18
19
13
1
13
17
14
11
12
19
19
15
1
13
14
18
20
17
1
2
17
14
20
18
18
2
2
12
13
18
19
20
2
2
12
10
14
13
21
2
1
10
11
15
15
22
2
2
14
16
19
19
28
2
11
12
16
15
33
2
12
13
17
34
2
1
13
14
19
18
38
2
1
12
11
16
16
40
2
11
16
17
41
2
14
13
18
19
42
2
1
17
18
20
20
43
1
11
13
15
14
2.
2.
2.
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