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
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 - 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 - The fact that cultural groups with less exposure to carpentered buildings are less susceptible to the Muller-Lyer illusion suggests that:
A. not all cultures test perceptual hypotheses
B. people in technologically advanced cultures are more gullible
C. optical illusions can be experienced only by cultures that have been exposed to the concept of optical illusions
D. perceptual inferences can be shaped by experience - 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 - If someone already spreads the rumor about an experiment for being assessment of racist attitudes and the subjects then take care of not showing racist attitudes. The result of experiment will be __________?
A. invalid
B. biased
C. error
D. unreliable - The type of study construction in which different subjects at different developmental levels are compared is a _____________?
A. longitudinal study
B. cross-sectional study
C. field study
D. group construction - Subjects are said to be assigned randomly when:
A. they are assigned to experimental and control group from a sample which is representative of the larger population
B. they each have an equal chance of being assigned to either the experimental or control group
C. they are assigned to experimental and control group so that the group differ on some critical variable before the experiment begins
D. neither the experimenter nor the subject knows whether the subject is in the experimental or control group - 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 - If children are allowed to choose subjects according to their aptitude:
A. They develop interest in education
B. They start creating problem for their parents
C. They becomes problematic for their parents
D. Both (a) and (b) - Three major ethical concerns of psychological researchers are deception, lasting harm to subjects, and:
A. morality of the under investigation
B. loss of future research possibilities
C. falsified results
D. invasion of privacy