psych lab

Experimental Psych- Lab 3 Instructions [Descriptive and Inferential Stats]

Descriptives for Youth Age and Youth Anxiety

- Launch Jamovi on your computer.

- Click on the three lines button in the top left corner and then click “Open” and Browse.

- Select your dataset file from where you saved: ParentingStyle_TripleP_ChildAnxiety4.csv

- Go to the ‘Analyses’ tab.

- Click on ‘Exploration’ and then ‘Descriptives’.

- Move `Youth Age` and `Youth Anxiety` to the ‘Variables’ box.

- In the ‘Statistics’ menu, select:

- Central Tendency (Mean, Median, Mode)

- Percentile values (33,66)

- Dispersion (Range, Variance, Standard Deviation, Minimum, Maximum)

- Under the ‘Plots’ section, check the box for ‘Histogram’.

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Frequencies for Gender, School, and Intervention Type

- Move the following variables to the ‘Variables’ box:

Gender

School

Intervention Type

RejCat3

ColdCat3

OverProCat3

- Click on “Frequency tables”

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T-Test: Youth Anxiety by Intervention Type

- In the ‘Analyses’ tab, click on ‘T-Tests’ and then ‘Independent Samples T-Test’.

- Move `Youth Anxiety` to the ‘Dependent Variables’ box.

- Move `Intervention Type` to the ‘Grouping Variable’ box.

- Under ‘Options’:

- Check ‘Descriptives’.

- Check ‘Descriptives Plots’.

- Check ‘Effect size’.

- Check ‘Assumptions checks’ (Homogeneity, Normality).

- Hypothesis (NULL)

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Interpretation of T-Test

- Review the results to see if the p-value is less than 0.05, which would indicate a significant difference.

- Check the effect size (Cohen's d):

- 0.2 or less: Weak

- 0.3 to 0.5: Moderate

- 0.8 or more: Strong

- Write a brief interpretation of the results.

ANOVA: Youth Anxiety by Parenting Style3

- In the ‘Analyses’ tab, click on ‘ANOVA’ and then ‘ANOVA’.

- Move `Youth Anxiety` to the ‘Dependent Variable’ box.

- Move `RejCat3``ColdCat3``OverProCat3`and `Intervention Type` to the ‘Fixed Factors’ box.

- Under ‘Options’:

- Check ‘Overall model test’.

- Check ‘n2’.

Copy the results

We will review the results together.