Chapter 13 Test Items
The percentage of sample means that fall between +/- 1 standard deviation is
The smaller the standard error the
a. more accurate the sample means are as an estimate of the population mean.
b. more lik
Chapter 5 Test Items
The first step in random sampling is to
a. identify the sampling technique to use.
b. identify the population.
c. determine the sample size.
d. select the sample.
Which of the following is a type of random sampling?
Chapter 6 Test Items
Gender is considered a(n) _ level variable.
Marital status is considered a(n) _ level variable.
Age is considered a(n) _level variable.
Chapter 12 Test Items
1. Statistical formulas use _ letters as shorthand.
Karis research study measured the effects of cooperative learning on learners
ability to solve complex problems. After scoring the problem
Chapter 10 Test Items
Compared to all other types of research, experimental research
a. requires greater number of participants.
b. provides evidence concerning cause-effect relationships.
c. measures dependent and independent variables.
d. collects sa
1. Which of the following symbolizes the treatment phase in a single-subject design?
2. Which of the following symbolizes the non-treatment phase in a single-subject design?
3. In single-subject designs, how much da