A. invalid
B. biased
C. error
D. unreliable
Related Mcqs:
- When subjects in an experiment are chosen so that each has an equal chance of being in either the experimental group of the control group, we say that the subjects have been assigned:
A. alternately
B. hypothetically
C. randomly
D. consecutively - A between subjects design is less efficient than a within subjects design because ____________?
A. it has more subjects
B. it has less validity
C. it is less reliable
D. it must deal with difference among subjects
E. None of these - A researcher wishes to un an experiment, but is concerned that variations in the subjects’ intelligence quotients (Iq) might confound the results. All of the following are possible solutions to this problem except for ___________?
A. using a matched-subjects design
B. Higher IQ level relatively constant
C. running a double-blind experiment
D. randomly assigning subjects to groups - A simple experiment has two groups of subjects called:
A. the dependent group and the independent group
B. the extraneous group and the independent group
C. the before group and the after group
D. the control group and the experimental group - In my experiment I am going to investigate how sleep affects anxiety. The number of hours of sleep the subjects have been called the _________________variable.
A. control
B. experiential
C. dependent
D. independent - In the simplest experiment, the two groups of subjects are treated exactly alike except for the ______________ variable.
A. independent
B. dependent
C. extraneous
D. hypothetical theory formulation - A simple experiment has two groups of subjects called:
A. the dependent group and the independent group
B. the extraneous and the independent group
C. the before group and the after group
D. the control group and the experimental group - Dr. Jamil wants to study the effects of poverty on one’s self concept. To do this he interviews a group of subjects from the inner city once every five years for a period of 30 years. This experiment is an example of what type-of study?
A. Correlational study
B. cross sectional study
C. Gesell’s dome
D. longitudinal study - Dr. Jamshed wants to see if person’s IQ changes as they get older. To do this he takes three groups of subjects. Group i is made up of 10 years old, and Group III of 25 years old. Dr. Jamshed tests all three groups of their IQ level. The design of this experiment is called:
A. longitudinal study
B. more information is needed to determine the design of the experiment
C. Gesell’s dome
D. cross sectional study - In an experiment studying the effects of different drugs on reaction time, each subject is presented with all of the conditions in the experiment. This is an example of ____________?
A. factorial design
B. within subjects design
C. between subjects design
D. quasi-experimental design
