OT245 Review

Which measures of central tendency are at the center of a bell curve?

• mean

• mean and median

• mean and mode

• mean, median and mode

• median and mode

A teacher hands out two different versions of the exam. What type of reliability does this represent?

You are an OT who develops a new test to measure motor dexterity, speed, and sequencing. You are comparing your participants' scores to the norms from the Purdue Pegboard test. What type of validity does this example represent?

• content

• face

• criteria

• construct

What is the null hypothesis?

• Hypothesizes that there is a significant relationship between two variables. Choose all that apply.

• Hypothesizes that there is no significant relationship between two variables

• Accompanies a research question when the researcher suspects a particular outcome

• H0

Fill in the blanks:

When thinking about Type 1 (alpha) and Type 2 (beta) Errors in hypothesis testing--

A Type 1 error is a false _____________ .

Fill in the blanks:

When thinking about Type 1 (alpha) and Type 2 (beta) Errors in hypothesis testing--

A Type 2 error is a false _____________ .

What kind of stats describe a pie chart that indicates the number of times an individual has cried over the literature review paper?

Choose all correct answers.

What type of data does chi-square test analyze?

• nominal

• ordinal

• ratio

• interval

What type of measure of central tendency is used when data is bi-modal?

• Mode

• Mean

• Median

• Average

Which of the following is NOT a type of t-test?

• independent sample

• paired-sample

• one-sample

• tri-sample