GRE (Graduate Record Examinations) Psychology: Questions 225  228 of 442
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 442 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 225
» Measurement and Methodology » Statistical Procedures
Question
Which of the following statistical tests should the researcher use to analyze her data?
A researcher wants to consider the effects of preparation on standardized test scores. She plans to compare the GRE scores of students who did and did not take a preparation course for the GRE. She also plans to compare the GRE scores of students who took preparation courses though Company X, Company Y, and Company Z.
Choices
Choice (5)  Response  

a.  Ttest 

b.  Chisquare test 

c.  2 x 2 x 2 factor analysis 

d.  Person’s r correlation coefficient 

e.  2 x 3 factor analysis 

Question number: 226
» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity
Question
A test that is valid must
Choices
Choice (5)  Response  

a.  predict future behavior 

b.  be normed on a random sample 

c.  be reliable 

d.  reveal important information 

e.  have scores that fit a normal curve 

Question number: 227
» Measurement and Methodology » Statistical Procedures
Question
Which of the following best describes the graph above?
Choices
Choice (5)  Response  

a.  Normal distribution 

b.  Negatively skewed distribution 

c.  Frequency polygon 

d.  Positively skewed distribution 

e.  Histogram 

Question number: 228
» Behavioral Neuroscience » Hormonal Factors
Question
What causes a fetus to develop into a female?
Choices
Choice (5)  Response  

a.  The presence of estrogen 

b.  The presence of Follicle Stimulating Hormone 

c.  The absence of estrogen 

d.  The absence of HY antigen 

e.  The presence of HY antigen 
