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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. Subset of a population in which every element in the population has an equal chance of being selected
null hypothesis
inter-rater reliability
random sample
independent variable
2. Factors in an experiment that are unchanged for both the control group and the experimental group
cross-sectional research
experimental condition
quasi experiment
controls
3. If you take the same test 2x's & you get the same results it shows ______ reliability
z score
validity
mean
test-retest reliability
4. Relationship that exists when one set of data values increases while the other decreases
negative correlation
population
standard deviation
control condition
5. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
control condition
generalizability
negative correlation
experiment
6. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
inter-rater reliability
false consensus effect
correlational study
frequency polygon
7. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
double-blind procedure
z score
negative correlation
hindsight bias
8. Middle score in a distribution; half scores are above it and half are below it.
hindsight bias
positive (right) skew
correlation coefficient
median
9. Experimental procedure in which both research participants and research staff are ignorant about whether the research participants have received the treatment or a placebo.
ordinal data
alternate form reliability
construct validity
double-blind procedure
10. Degree to which test is representative of total domain its supposed to cover.
content validity
interval data
extraneous variables
dependent variable
11. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
random assignment
interval data
n
r
12. Statement that describes how to measure a particular variable or define a particular term specifically in a study
case study
range
scientific method
operational definition
13. Statistical measure of strength of association between two variables ranging from -1.0 to 1.0
test-retest reliability
scatterplot
frequency histogram
correlation coefficient
14. Sample that fairly represents a population because each member has an equal chance of inclusion.
random sample
n
median
frequency histogram
15. Bar graph that shows frequency distributions
type two error
split half reliability
frequency histogram
correlational study
16. Occur when the questions asked on a sample survey are confusing or leading
test-retest reliability
wording effects
false consensus effect
overconfidence effect
17. Tendency to believe - after learning an outcome - that one would have foreseen it.
positive correlation
hindsight bias
psychological test
negative correlation
18. Effects of being born and raised in a particular time or situation where all other members of your group has similar experiences makes your group unique from others
cohort effects
negative correlation
false consensus effect
test-retest reliability
19. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
random selection
Hawthorne Effect
social desirability bias
criterion validity
20. Descriptive research that involves observing and recording behavior without trying to manipulate and control the situation.
naturalistic observation
ANOVA
random sample
stratified sample
21. Extent to which a test measures or predicts what it is supposed to - test accuracy
n
validity
experiment
correlation coefficient
22. Statement of procedures used to explain research variables in enough detail to allow for replication
operational definition
sampling bias
correlation
case study
23. All cases in a group - from which samples may be drawn for a study
population
dependent variable
alternate form reliability
normal distribution
24. Tendency to give socially approved answers to questions about oneself.
cohort effects
operational definition
psychological test
social desirability bias
25. Testable and falsifiable prediction - often implied by a theory
hypothesis
Hawthorne Effect
criterion validity
meta analysis
26. Graphed cluster of dots - each of which represents the values of two variables. The slope of the points suggests the direction of the relationship between the two variables.
double-blind procedure
illusory correlation
scatterplot
wording effects
27. Type of line graph that shows frequency distributions
split half reliability
positive correlation
frequency polygon
random assignment
28. 'Fake subjects' that look & behave like real subjects in study.
statistical significance
ANOVA
quasi experiment
confederates
29. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
experiment
population
nominal data
interval data
30. Correlation where as one variable increases - the other also increases - or as one decreases so does the other. Both variables move in same direction.
positive correlation
extraneous variables
scientific method
independent variable
31. Procedure for statistically combining results of many different research studies
null hypothesis
operational definition
correlation
meta analysis
32. A type of reliability - where different versions of same instrument are used and scores are compared
social desirability bias
sampling bias
alternate form reliability
test-retest reliability
33. Set of assumptions used to explain phenomena & offered for scientific study
random assignment
extraneous variables
theory
naturalistic observation
34. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
construct validity
correlation
p<.05
experiment
35. Extent to which a test yields consistent results - a measure is repeatable
correlation coefficient
single-blind procedure
reliability
sampling bias
36. Condition of experiment that exposes participants to treatment - that is - to one version of the IV
face validity
experimental condition
construct validity
confederates
37. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
social desirability bias
case study
quasi experiment
debriefing
38. The tendency for people to behave differently when they know they are being studied
random sample
split half reliability
extraneous variables
Hawthorne Effect
39. 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.
positive correlation
debriefing
standard deviation
inter-rater reliability
40. Skewed distribution where data has many more scores toward the lower end of the distribution
hypothesis
statistical significance
inter-rater reliability
positive (right) skew
41. Variable that may change in response to manipulations of the IV (what is measured)
sampling bias
dependent variable
cohort effects
confederates
42. Repeating of research study to determine if its finding extends to other participants and circumstances
Hawthorne Effect
empiricism
replication
p<.05
43. Rejecting null hypothesis when it is actually true - a false positive
face validity
cross-sectional research
negative correlation
type one error
44. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
social desirability bias
statistical significance
double-blind procedure
independent variable
45. Sample drawn in such a way that known subgroups within a population are represented in proportion to their numbers in general population
confounding of variables
replication
meta analysis
stratified sample
46. Series of steps followed to solve problems including collecting data - formulating a hypothesis - testing the hypothesis - and stating conclusions
controls
scientific method
false consensus effect
theory
47. Procedure in which info that could introduce bias the result is withheld from participants - but experimenter will be in full possession of facts
illusory correlation
n
single-blind procedure
experimental condition
48. Perception of relationship where none exists.
single-blind procedure
random selection
normal distribution
illusory correlation
49. Symbol used to represent the total number of subjects in a research study
validity
independent variable
interval data
n
50. Arithmetic average of a distribution -
survey
case study
operational definition
mean