_____ is defined as the test used with a two-class, categorical independent variable and a continuous dependent variable.
Answer
Correct Answer:
t test
Note: This Question is unanswered, help us to find answer for this one
_____ is the type of t test appropriate when the samples are independent and the population variances are unequal.
Answer
Correct Answer:
Separate variances
Note: This Question is unanswered, help us to find answer for this one
Is repeated-measures design a research strategy used to measure the effectiveness of an intervention by comparing two sets of scores (pre and post) from the same sample?
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
_____ is known as the type of t test appropriate when the samples are independent and the population variances are equal.
Answer
Correct Answer:
Pooled variances
Note: This Question is unanswered, help us to find answer for this one
_____ is defined as hypothesis tests in which the entire alpha is placed in either the upper (positive) or lower (negative) tail such that there is only one critical value of the test statistic. Also called directional tests.
Answer
Correct Answer:
One-tailed tests
Note: This Question is unanswered, help us to find answer for this one
_____ is a research strategy where a second sample is created on the basis of each case’s simi- larity to a case in an existing sample.
Answer
Correct Answer:
Matched-pairs design
Note: This Question is unanswered, help us to find answer for this one
Is independent samples pairs of samples in which the selection of people or objects into one sample in no way affected, or was affected by, the selection of people or objects into the other sample?
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
_____ is known as pairs of samples in which the selection of people or objects into one sample directly affected, or was directly affected by, the selection of people or objects into the other sample. The most common types are matched pairs and repeated measures.
Answer
Correct Answer:
Dependent samples
Note: This Question is unanswered, help us to find answer for this one
Which of the following is NOT a piece of information needed to find the critical value of t, using the t table?
Answer
Correct Answer:
The variance
Note: This Question is unanswered, help us to find answer for this one
When is a two-tailed non-directional hypothesis test used?
Answer
Correct Answer:
None of these
Note: This Question is unanswered, help us to find answer for this one
What point in time are the measurements taken in before/after designs?
Answer
Correct Answer:
Prior to/after an intervention
Note: This Question is unanswered, help us to find answer for this one
Which of the following statements is true in independent sampling designs?
Answer
Correct Answer:
The selection of one sample does not affect that of another.
Note: This Question is unanswered, help us to find answer for this one
Which of the following is considered a dependent sample t test?
Answer
Correct Answer:
Matched pairs and repeated measures
Note: This Question is unanswered, help us to find answer for this one
Which of the following is the proper test to use when the independent samples are divided into groups and the population variances are equal?
Answer
Correct Answer:
Pooled variance
Note: This Question is unanswered, help us to find answer for this one
Which of the following designs is common for evaluating programs?
Answer
Correct Answer:
Repeated measure designs
Note: This Question is unanswered, help us to find answer for this one
What is the proper statistical distribution for two population tests?
Answer
Correct Answer:
Z curve
Note: This Question is unanswered, help us to find answer for this one
Why do dependent samples require different types of t tests than independent samples?
Answer
Correct Answer:
Because manipulations are necessary with dependent samples
Note: This Question is unanswered, help us to find answer for this one
Which of the following are considered types of independent sample t tests?
Answer
Correct Answer:
Shared variance and pooled variance
Note: This Question is unanswered, help us to find answer for this one
Matched pair designs are used when researchers need experimental and control groups.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
The independent variable in a t test is continuous.
Answer
Correct Answer:
False
Note: This Question is unanswered, help us to find answer for this one
The main types of dependent sample tests are matched pairs and repeated measures.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
In dependent sampling designs, the two samples being used are unrelated.
Answer
Correct Answer:
False
Note: This Question is unanswered, help us to find answer for this one
T Tests require a two class, categorical variable and a continuous variable.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
