APA Research Methods and Statistics 3

Question 1

What is a Type I error in hypothesis testing?

Accepted Answer

Rejecting a true null hypothesis

Answer

Failing to reject a false null hypothesis

Answer

Using the wrong statistical test

Answer

Underestimating effect size

Question 2

Which APA ethical principle requires psychologists to be honest and non-deceptive in their work?

Accepted Answer

Integrity

Answer

Beneficence

Answer

Fidelity

Answer

Justice

Question 3

What does 'statistical power' measure in a research study?

Accepted Answer

The probability of detecting a true effect when it exists

Answer

The probability of making a Type I error

Answer

The size of the sample collected

Answer

The variance explained by the model

Question 4

In APA's CONSORT-style reporting, what information must accompany a reported effect size?

Accepted Answer

Confidence interval

Answer

Sample demographics

Answer

Raw data table

Answer

Post-hoc test results

Question 5

Which of the following best describes a meta-analysis?

Accepted Answer

A statistical synthesis of results from multiple independent studies

Answer

A study using multiple measurement instruments

Answer

An in-depth qualitative review of one study

Answer

A replication of a single experiment

Question 6

What is 'debriefing' as described in APA ethical guidelines?

Accepted Answer

Explaining the study's true purpose and correcting misconceptions after participation

Answer

Providing participants with compensation after the study

Answer

Obtaining consent before the study begins

Answer

Reviewing data for accuracy after collection