Which Test?
Are Law students happier than Psychology students?
Data is normally distributed
Independent Samples T-test
What is considered the strongest level of measurement for our data (in order to run a parametric test)
Ratio
We use inferential statistics to infer information about the wider ______
Population
Shapiro-Wilk test
Is there a relationship between attendance and academic performance
Data is normally distributed
Pearson correlations
Measures of central tendency include ___, ____, ____
mean, median, mode
In Psychology, what p value is considered statistically significant
when p is less than or equal to .05, it is statistically significant
When reporting a t-test, fill in the blanks:
t(___) = the t statistic, p = p value
degrees of freedom
Is there a difference in anxiety before and after a mindfulness intervention
Data is not normally distributed
Alongside measures of central tendency, we may also report on measures of _______
dispersion
What coefficient values are considered a moderate correlation
0.4 to 0.7
When reporting correlations, what is the symbol for the Pearson's correlation coefficient
r
Is there an association between having a dog and gender
Data is not normally distributed
Chi-squared test
What type of graphs can I use to detect outliers in my data
Scatterplots and Boxplots
A commonly used effect size measure when using t-tests
Cohen’s d
How should you present tables in APA format within a report (3 points)
Include title (e.g. Table 1:..) as a heading
Give a number to table in order of appearance (e.g. Table 1)
No inner borders
Are Batelco customers more satisfied with their phone service than STC customers
Variances are not not equal/not homogenous
Welch Test
For non-parametric tests, you should report which descriptives
Median and IQR (range)
A free tool that is commonly used to estimate the needed sample for a range of tests (to carry out power analyses)
G*Power
If reporting on a Chi squared analysis, you ordinarily report which descriptives
report percentages/frequencies