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.

Related Mcqs:

1. An experiment is performed to test the effects of sleep deprivation on rote memory. In this experiment, the dependent variable in the:

   A. number of hours subjects go without sleep
   B. rote memory scores
   C. number of subjects deprived of sleep in the experimental group
   D. correlation between hours of sleep and fatigue

2. 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

3. 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

4. To investigate the effects of a particular study of method on student performance two different methods are tried, each with a different group of subjects. I fondly the experimenter know which method is under investigation, the procedure being used in described as:

   A. double-blind
   B. single-blind
   C. self-fulfilling prophesy
   D. representative sampling

5. in the traditional learning experiment, the effect of practice on performance is investigate(d) performance is the ______________ variable.

   A. independent
   B. extraneous
   C. dependent
   D. control

6. 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

7. 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

8. 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

9. When Saleem returned from combat in the Kargil War, he began experiencing high anxiety that has persisted without any improvement. This example illustrates which anxiety related disorder?

   A. panic
   B. post – traumatic stress
   C. phobia
   D. obsessive – compulsive

10. 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