statistical testing

Question 1

statistical testing

Answer 1

provides a way of determining whether hypotheses should be accepted or rejected.
tell us whether differences or relationships between variables are statistically significant or have occurred by chance.

Question 2

sign test

Answer 2

1. difference.
2. related design.
3. nominal data

Question 3

accepted significance level in psychology

Answer 3

• 0.05

- 0.01 for research involving human cost, e.g. drug trials, or when investigation cannot ever be repeated

Question 4

chi-squared

Answer 4

1. difference. unrelated-design.
2. association/correlation.
3. nominal.

Question 5

Mann-Whitney

Answer 5

1. difference.
2. unrelated design.
3. ordinal.

Question 6

Wilcoxon

Answer 6

1. difference.
2. related design.
3. ordinal.

Question 7

Spearman’s rho

Answer 7

1. association/correlation.

2. ordinal.

Question 8

Unrelated t-test

Answer 8

1. difference.
2. unrelated design.
3. interval.

Question 9

related t-test.

Answer 9

1. difference
2. related design.
3. interval.

Question 10

Pearson’s r

Answer 10

1. association/correlation

2. interval

Question 11

mnemonic

Answer 11

Carrots Should Come
Mashed With Swede
Under Roast Potatoes

Question 12

table

Answer 12

.                  difference              association/correlation
        unrelated         related
N
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