2131 TIME

Which of these statements are true?

Which way of increasing the power of a test is not ideal?

Which of these is the definition of a moderator variable?

For a correlation between two variables, which of these is not a requirement for all tests for correlation?

Which type of graph is best for when both the IV and the DV are continuous?

Spearman's rho uses ranked data for what reason?

Which of these formulas will always remain the same for both paired and independent sample t-tests?

What is an unlikely reason for a sample mean to be very different from the sampling distribution mean?

What type of comparative validity focuses on pitting one measure against another measure of a different construct?

Which of these tests are used to test for test-retest reliability?

Which of these is a symbol for power?

Which of these threats to internal validity is the definition of "carry-over effects"?

What type of validity checks for causality?

For a correlation test, what is the symbol for a true population correlation?

Which of these is a threat to external validity?

Which of these is not a value of research ethics?

Benny hypothesised that eating peanut butter would cure depression. What is eating peanut butter in this experiment?

Benjamin scored 7/10, Rebekah scored 6/10, Bala scored 9/10, Jonny scored 4/10, what percentile is Bala's score.

Which of these conducts of ethics is not always necessary?

Ben wants to measure the association between 3 types of bees and 2 kinds of honey. What would the degrees of freedom be?

Which institution should be contacted if a non-body related experiment is conducted in a Singapore-specific context?

What is considered a medium effect size for chi square tests in phi?

What is the disadvantage of using a t-test to test for the significance of a correlation?

Isaac picks two different groups based on what school they go to for his hypothesis. Which of these designs can he use?

How do you calculate the effect size of a linear regression coefficient?

For the question, "What is your age?", age is what type of variable?

Which of these tests are conducted for within-subjects?

Nancy hypothesises that having a religion affects mental health. Her p-value < 0.05. What is her conclusion?

Data set A has linearity, a small sample size and not a lot of tied ranks. Which correlation test should be used?

What power is should experimenters aim for when conducting a test?

Which of these effects refer to an external event that affects one group more than / and not the other?

Which of these statements about effect size is false?

For partial correlations, how do you calculate if the third variable is a mediating variable (third variable is c)?

Joel made two groups take a survey to study the relationship between playing valorant & depression. What method is this?

What would increasing the sampling variance do when performing a t-test?

Which is not a reason why the Spearman's correlation would be preferred over the Pearson's correlation?

For a test with 0.05 alpha value, what could the confidence interval be after the sample size is reduced?

Which of these threats to construct validity describes "participants act differently in an unusual environment"?

Which of these can be used to measure both ordinal and continuous data?

_^_^_ What type of frequency distribution is the one on the left?

What happens when you make the alpha value larger?

Which of these quasi-experimental designs is not between-subjects?

Jimmy's sample mean is 37 and his sample size is 24. He decides to use a one sample t-test. What would be the df?

John randomly picked 10 individuals from 3 different age groups for his experiment. What type of sampling is this?

Studying the relationship between being tall and being short, what type of correlation is this and what test is used?

What does the effect size of r² equate to?

Which of these is the definition of acquiescence bias?

For a standard z-test, which of these does the central limit theorem not assume?

What test requires the degrees of freedom to be (n-2)?

Which of these sampling methods is considered random?

What are the 3Rs of research ethics?

For the linear equation of y = -4x - 3, which of these cannot be concluded?

What does a type 1 error mean in statistics?

What can be said about a distribution that is steeper, less spread out than normal and has a mode towards the left?