Which research strategies produce similar data structures that use similar statistical analyses?
a. descriptive and correlational
b. correlational and experimental
c. correlational and nonexperimental
d. experimental, quasi-experimental, and nonexperimental
Lincoln analyzes the data from his study and treats each participant statement as a chunk, a process referred to as ____.
a. unitizing
b. analyzing
c. trending
d. rating
For a correlated-groups t test, the alternative hypothesis states that
a. H0: m1-m2 = 0.
b. H0: m1-m2 > 0.
c. Ha: m1-m2 = 0.
d. Ha: m1-m2 > 0.
A research study attempts to describe the relationship between self-esteem and birth order position by measuring self-esteem for each individual in a group of first-born boys, and then comparing the results with self-esteem scores for a group later-born boys. This study is an example of the ____ strategy.
a. nonexperimental
b. correlational
c. experimental
d. quasi-experimental
Lincoln analyzes the data from his study and treats each participant statement as a chunk, or ____.
a. attribute
b. trait category
c. unit of analysis
d. operant
For a correlated-groups t test, the null hypothesis states that
a. H0: m1-m2 = 0.
b. H0: m1-m2 > 0.
c. Ha: m1-m2 = 0.
d. Ha: m1-m2 > 0.
Which research strategy attempts to address questions about cause-and-effect relationships but fails to produce an unambiguous answer because the study contains a flaw?
a. experimental
b. quasi-experimental
c. nonexperimental
d. correlational
Lincoln wants to learn more about issues related to underage drinking on campus, and arranges for a series of meetings in which the topic will be discussed. Specific categories of individuals (e.g., underage vs. of-age, living on vs. off campus, etc.) are invited to the meetings, which are recorded while the individuals discuss questions related to underage drinking. The recordings are later analyzed by trained raters. Lincoln's approach is best described as a(n) ____.
a. focus group
b. direct observation
c. unstructured interview
d. case study
tcv = 3.35 and tobt = -3.55 . Based on these results, we
a. reject Ho.
b. fail to reject Ho.
c. accept Ho.
d. reject Ha.
Experiments allow researchers to ____.
a. eliminate experimenter bias
b. answer questions about the existence of a relationship between two variables
c. observe naturally occurring behavior
d. answer cause-and-effect questions about the relationship between two variables