Quiz & Worksheet - One-Tailed vs. Two-Tailed Tests

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

A civil engineer is trying to prove that his new method of laying blocks is more effective than the traditional method. The engineer will conduct a:

One-tailed test Two-tailed test

Random test Point estimate

Worksheet

Print One-Tailed Vs. Two-Tailed Tests: Differences & Examples Worksheet

1. Why is a two-tailed test sometimes referred to as the non-directional hypothesis?

Because this test only verifies if there is a statistically significant difference between groups or not.
Because researchers are unsure of what to do with their data.
Because this test determines if there is a statistically significant difference between groups in either direction.
Because two-tailed tests are conducted when the results are both positive and negative.

2. In statistical equations, probability is usually represented by _____.

a lower case p
the word probability
the abbreviation py
the alpha symbol

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About This Quiz & Worksheet

This quiz and attached worksheet will help to gauge your understanding of one-tailed versus two-tailed tests. Topics you will need to know in order to pass the quiz include the theories of random chance and what is known as statistically significant, with regard to psychological research.

Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

Understand a one-tailed test
Contrast and compare two-tailed and non-directional hypothesis
One side of the bell curve
Appropriateness of the one-tailed test

Skills Practiced

This worksheet and quiz let you practice the following skills:

Reading comprehension - ensure that you draw the most important information from the related one-tailed versus two-tailed tests lesson
Critical thinking - apply relevant concepts to examine information about one side of a bell curve in a different light
Knowledge application - use your knowledge to answer questions about the non directional hypothesis