Eval. of Research Final Exam Review

A correlation tells us what two important pieces of information?

Nominal variables include assigning participants to categories (e.g., language disordered vs. typical language).

What does the "P" stand for in "PICO"?

The shape of this data distribution indicates:

The shape of this data distribution indicates:

The closer that Pearson r is to ____, the stronger the correlation.

The purpose or research question is found in what section of a research paper?

Analyzing categorical data requires the use of:

All of the following are measures of variability (i.e., spread of data) EXCEPT:

As sample size increases, sampling error ___.

A meta-analysis differs from a systematic review because:

Which of the following is a null hypothesis?

What does an ANOVA test analyze?

Correlation and regression studies can establish causation.

Will children with CCN increase initiations of peer play at recess if AAC board is added to the playground? The IV is:

What type of clinical question is the following: "What are the characteristic symptoms of Broca's Aphasia?

Research that is conducted by using existing information instead of collecting new data is:

Which of the following represents the correct order of components in a research paper?

The sampling method used in selecting every 10th student from a list for a total of 100 participants.

Statistical significance can tell us whether a difference is meaningful from a clinical perspective.

How can a researcher decrease the chance of a Type I Error AND a Type II Error?

To use a parametric tests, N ≥ __ per group.

What type of error occurs when the researcher rejects the null hypothesis when it is actually true?

Measures of central tendency such as computing a mean value provides meaningful information when using ordinal data.

Which error type is more serious?

What type of reliability does a test have if the tests yields the same results when administered at two different times?

What type of t-test is used for between group comparison?

Which t-test uses the same participants in each group?

In an experiment, which variable is the manipulated variable?

All of the following are examples of nonexperimental research EXCEPT:

Random selection means that all members of a population are equally likely to be chosen in a research sample.

Identify the internal validity threat: Partway through the study, 5 participants begin additional private therapy.

Which of the following is NOT a primary component of evidence based practice?

What kind of test compares expected values (if the null hypothesis were true) with observed values?

What type of test is used to compare more than 2 means?

Effects associated with the way independent variables work together and influence one another are called:

What type of validity refers to if a test produces results similar to another test that is established as valid?

Measures on a ratio or interval scale are:

What type of error occurs when the researcher fails to reject the null hypothesis when the null hypothesis is false?

Will children with CCN increase initiations of peer play at recess if AAC board is added to the playground? The DV is:

Which sampling procedure requires research participants to find more participants to join the sample of a study?

What type of validity refers to the completeness of a test?

P values that are < ____ are said to be statistically significant.

What type of hypothesis would state " Variable A will differ from Variable B"?

All statistical procedures test the ___ hypothesis.