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Test your basic knowledge |
Research Methods
Start Test
Study First
Subject
:
business-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Statistical method for making simultaneous comparisons between two or more means
ANOVA
quasi experiment
alternate form reliability
meta analysis
2. Perception of a correlation between variables where none exists.
content validity
type one error
illusory correlation
hypothesis
3. Measure of the extent to which two factors vary together which can be positive or negative or non
cohort effects
wording effects
correlation
operational definition
4. Procedure in which info that could introduce bias the result is withheld from participants - but experimenter will be in full possession of facts
stratified sample
negative (left) skew
hypothesis
single-blind procedure
5. Perception of relationship where none exists.
generalizability
illusory correlation
psychological test
positive correlation
6. The probability level which forms basis for deciding if results are statistically significant (not due to chance).
wording effects
p value
operational definition
negative (left) skew
7. A research method that looks like an experiment BUT subjects are not randomly assigned to control and experimental groups (no cause and effect can be drawn)
reliability
quasi experiment
quasi-experiment
correlation
8. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to the different groups
longitudinal research
generalizability
random assignment
p value
9. All cases in a group - from which samples may be drawn for a study
population
cross-sectional research
empiricism
controls
10. Procedure for statistically combining results of many different research studies
median
percentile rank
experimental condition
meta analysis
11. When a specific word used in a question affects how respondents answer the question or the order of the questions
face validity
wording effects
experimental condition
frequency histogram
12. Experimental factor that is manipulated; variable whose effect is being studied.
independent variable
case study
inter-rater reliability
z score
13. In-depth - intensive investigation of individual or small group of people which involves interviews and personal interpretations by researcher. It may also be supplemented with psychological or medical tests
case study
random assignment
placebo effect
nominal data
14. Measures whether a test looks like it tests what it is supposed to test as determined by a quick look or evaluation by a non expert
null hypothesis
face validity
controls
ordinal data
15. Rejecting null hypothesis when it is actually true - a false positive
psychological test
median
type one error
p value
16. Extent to which a test yields consistent results - a measure is repeatable
reliability
content validity
scientific method
theory
17. A type of reliability - where different versions of same instrument are used and scores are compared
longitudinal research
alternate form reliability
random sample
standard deviation
18. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
social desirability bias
psychological test
correlation coefficient
experimenter bias
19. Data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st - 2nd - 3rd)
random assignment
meta analysis
correlation
ordinal data
20. Variable that may change in response to manipulations of the IV (what is measured)
single-blind procedure
dependent variable
construct validity
wording effects
21. Occur when the questions asked on a sample survey are confusing or leading
meta analysis
median
wording effects
correlational study
22. Hypothesis that predicts NO relationship between variables. The aim of research is to reject this hypothesis
negative (left) skew
psychological test
survey
null hypothesis
23. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
frequency histogram
control condition
scientific method
reliability
24. Type of line graph that shows frequency distributions
frequency histogram
inter-rater reliability
psychological test
frequency polygon
25. Extent to which a test measures or predicts what it is supposed to - test accuracy
psychological test
n
negative (left) skew
validity
26. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
positive correlation
type two error
inter-rater reliability
survey
27. Skewed distribution with many more scores on the higher end of the distribution
normal distribution
cohort effects
correlation coefficient
negative (left) skew
28. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
controls
sampling bias
double-blind procedure
content validity
29. Change in subject's behavior caused simply by awareness of being studied
debriefing
hypothesis
Hawthorne Effect
social desirability bias
30. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
scientific method
case study
random assignment
controls
31. Relationship that exists when one set of data values increases while the other decreases
mean
negative correlation
correlation
dependent variable
32. Subset of a population in which every element in the population has an equal chance of being selected
negative correlation
random sample
split half reliability
construct validity
33. Variable not relevant to what you are studying that has unplanned effect on DV. It may influence results - but all conditions are effected so it does not create bias.
z score
extraneous variables
positive (right) skew
alternate form reliability
34. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
deception
nominal data
criterion validity
debriefing
35. Symbol used to represent the total number of subjects in a research study
correlational study
n
positive correlation
control condition
36. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
naturalistic observation
face validity
nominal data
cohort effects
37. View that science flourishes through observation and experiment.
replication
hypothesis
null hypothesis
empiricism
38. Researchers takes subjects & conditions as they naturally occur - with little if any control over what happens. no random assignment so no cause and effect can be determined
negative (left) skew
quasi-experiment
positive correlation
inter-rater reliability
39. People of different ages are compared to one another at a single point in time
positive correlation
cross-sectional research
operational definition
quasi experiment
40. Relationship between variables in which as one variable increases - the other also increases - OR as one decreases so does the other. Both variables move in the same direction.
social desirability bias
positive correlation
r
inter-rater reliability
41. Difference between highest and lowest scores in a distribution.
negative (left) skew
range
generalizability
construct validity
42. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
inter-rater reliability
deception
random selection
experimental condition
43. Extent to which scores suggest that a test is actually measuring an ABSTRACT theoretical idea (such as anxiety - personality - introversion - etc.).
Hawthorne Effect
construct validity
cohort effects
median
44. Bell-shaped curve that results when values of a trait in a population are plotted against their frequency
normal distribution
social desirability bias
frequency histogram
random assignment
45. 'Fake subjects' that look & behave like real subjects in study.
type one error
dependent variable
confederates
median
46. Procedure that ensures every person in a population has an equal chance of being chosen to participate
correlational study
naturalistic observation
content validity
random selection
47. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
interval data
criterion validity
ANOVA
null hypothesis
48. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
positive (right) skew
nominal data
range
naturalistic observation
49. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
operational definition
psychological test
nominal data
survey
50. Middle score in a distribution; half scores are above it and half are below it.
sampling bias
median
confounding of variables
extraneous variables