In the scientific use of the term, a "theory" is:
a. a prediction about the outcome of a given experiment or study.
b. an organized system of assumptions and principles that purports to explain a set of observations and how they are related.
c. a precise definition of a term in a hypothesis, which specifies how it will be observed and measured.
d. a scientist's best guess about the cause of an event or phenomenon.
Answer: b
You might also like to view...
Conflicts involving intimacy, generativity, and integrity are characteristic of
a. infancy. b. childhood. c. adolescence. d. adulthood.
Marital satisfaction for men is related to ____,
a. being able to talk to each other and self-disclose b. the frequency of pleasurable activities that focus on emotional closeness c. physical and emotional intimacy d. the frequency of pleasurable activities in the relationship
Concept identification has been thought of by some as being accomplished by evaluating hypotheses
Indicate whether the statement is true or false
How do researchers calculate the discrimination index?
a. They calculate the difference between the percentage of upper performers and the percentage of lower performers who responded correctly. b. They calculate the percentage of test takers who answered the item correctly. c. They compare the percentage of test takers who answered the item correctly by demographic group. d. They develop a matrix that contains the results of the item analyses for each item and calculate a score by adding the matrix columns.