Psychology: A Self-Teaching Guide

(Nora) #1
An experiment can, of course, be much more interesting than the one
described, and there can be two or more independent variables. However, Nora’s
experiment was presented because it reveals the essentials of the experimental
method.

(a) Subjects should be assigned to groups by what kind of a process?

(b) An operational definition is a definition of a variable in terms of.
Answers: (a) A random process; (b) its measurement operations.

SELF-TEST



  1. The point of view that knowledge is acquired by using the senses is called
    a. rationalism
    b. voluntarism
    c. behaviorism
    d. empiricism

  2. Which one of the following is nota step associated with the scientific method?
    a. Reject all operational definitions
    b. Form a hypothesis
    c. Gather data
    d. Accept or reject the hypothesis

  3. Sometimes a hypothesis is rejected that should be accepted. This is called
    a. a Type I error
    b. an alpha error
    c. a Type II error
    d. an intrinsic error

  4. Naturalistic observation requires a researcher to study behavior
    a. in animals only
    b. as it is happening in its own setting
    c. using two independent variables
    d. by making sure the subjects know they are being observed

  5. The behavior of Anna O. was studied with the assistance of what method?
    a. The clinical method
    b. Naturalistic observation
    c. The experimental method
    d. The correlational method


Research Methods in Psychology: Gathering Data 27
Free download pdf