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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 measure of strength of association between two variables ranging from -1.0 to 1.0
ratio data
negative correlation
operational definition
correlation coefficient
2. Descriptive research technique in which one person or a small group is studied in depth in hope of revealing universal principles
p value
case study
statistical significance
nominal data
3. Data with an absolute 0. Ratios are meaningful. (Length - Width - Weight - Distance)
type one error
random sample
ratio data
quasi experiment
4. Most frequently occurring score(s) in a distribution.
sampling bias
construct validity
mode
percentile rank
5. Tendency to give socially approved answers to questions about oneself.
ANOVA
social desirability bias
face validity
percentile rank
6. Skewed distribution where data has many more scores toward the lower end of the distribution
positive (right) skew
extraneous variables
hypothesis
correlational study
7. Change in subject's behavior caused simply by awareness of being studied
quasi experiment
nominal data
cross-sectional research
Hawthorne Effect
8. Form of validity in which a psychological measure is able to predict some future behavior or is meaningfully related to some other measure
criterion validity
mode
null hypothesis
negative correlation
9. Bell-shaped curve that results when values of a trait in a population are plotted against their frequency
normal distribution
quasi-experiment
ordinal data
wording effects
10. 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
hindsight bias
ANOVA
operational definition
face validity
11. Set of assumptions used to explain phenomena & offered for scientific study
overconfidence effect
placebo effect
illusory correlation
theory
12. Difference between highest and lowest scores in a distribution.
random assignment
control condition
confederates
range
13. Research method in which investigator manipulates one or more factors (IV) to observe effect on some behavior or mental process (DV)
experiment
operational definition
median
correlation
14. When a specific word used in a question affects how respondents answer the question or the order of the questions
naturalistic observation
wording effects
empiricism
standard deviation
15. Arithmetic average of a distribution -
random assignment
median
mean
replication
16. Experimental results caused by expectations alone; any effect on behavior caused by the administration of an inert substance or condition - which is assumed to be an active agent.
meta analysis
Hawthorne Effect
statistical significance
placebo effect
17. Procedure in which info that could introduce bias the result is withheld from participants - but experimenter will be in full possession of facts
single-blind procedure
z score
random selection
reliability
18. Giving participants in a research study a complete explanation of the study after the study is completed needed for deception
population
construct validity
debriefing
frequency histogram
19. Occur when the questions asked on a sample survey are confusing or leading
negative (left) skew
percentile rank
wording effects
quasi experiment
20. Indication of how likely a result obtained occurred by chance - expressed as p or sig.
statistical significance
ordinal data
median
illusory correlation
21. 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.
confederates
quasi experiment
extraneous variables
frequency polygon
22. Procedure for statistically combining results of many different research studies
dependent variable
face validity
meta analysis
validity
23. Repeating of research study to determine if its finding extends to other participants and circumstances
n
negative (left) skew
replication
normal distribution
24. Factors in an experiment that are unchanged for both the control group and the experimental group
quasi-experiment
sampling bias
controls
cohort effects
25. Research method in which info is obtained by asking many individuals a fixed set of questions
controls
survey
quasi-experiment
range
26. Bar graph that shows frequency distributions
frequency histogram
test-retest reliability
extraneous variables
control condition
27. Data exists in categories that are ordered but differences cannot be determined or they are meaningless. (Example: 1st - 2nd - 3rd)
ordinal data
illusory correlation
quasi-experiment
longitudinal research
28. Condition of experiment that contrasts with experimental condition and serves as a comparison for evaluating the effect of the treatment.
range
dependent variable
z score
control condition
29. Extent to which the findings from one group (or sample) can be generalized or applied to other groups (or population
positive correlation
statistical significance
random sample
generalizability
30. Not rejecting null hypothesis when in fact we should have rejected it - a false negative
type two error
sampling bias
longitudinal research
correlational study
31. Measuring device or procedure designed to measure psychology-related variables. A measurement that results in a score or result that is standardized
wording effects
psychological test
correlation coefficient
mode
32. Correlation where as one variable increases - the other also increases - or as one decreases so does the other. Both variables move in same direction.
population
positive correlation
experimental condition
content validity
33. Data of categories only. Data cannot be arranged in an ordering scheme. (Gender - Race - Religion)
nominal data
deception
criterion validity
p value
34. Tendency to overestimate extent to which others share our beliefs and behaviors
face validity
positive correlation
false consensus effect
correlation
35. In a normal distribution it tells you how far a number is above or below mean in terms of standard deviations.
control condition
scientific method
z score
positive correlation
36. 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
scatterplot
quasi-experiment
controls
dependent variable
37. Differences between values can be found - but is NO absolute ZERO. Examples: temperature F - time
interval data
ordinal data
stratified sample
Hawthorne Effect
38. Association between increases in one variable and decreases in another
cohort effects
wording effects
negative correlation
illusory correlation
39. Skewed distribution with many more scores on the higher end of the distribution
scatterplot
p value
negative (left) skew
r
40. Experimental factor that is manipulated; variable whose effect is being studied.
cohort effects
independent variable
scatterplot
overconfidence effect
41. Assigning participants to experimental and control conditions by chance - thus minimizing preexisting differences between those assigned to different groups.
random assignment
operational definition
generalizability
alternate form reliability
42. 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
controls
mean
correlational study
case study
43. Extent to which a test measures or predicts what it is supposed to - test accuracy
mode
random assignment
validity
random selection
44. More than one individual scores same test - regardless of who rates test - scores should be the same for _____ reliability
operational definition
inter-rater reliability
independent variable
case study
45. 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.
split half reliability
quasi-experiment
random selection
scatterplot
46. Any selection method that results in subset of the population (sample) that is not representative - and/or not random
overconfidence effect
n
ordinal data
sampling bias
47. View that science flourishes through observation and experiment.
scientific method
empiricism
nominal data
content validity
48. Degree to which test is representative of total domain its supposed to cover.
content validity
statistical significance
case study
false consensus effect
49. Symbol used for Pearson Correlation Coefficient ranges from -1.0 to +1.0
correlation
interval data
type one error
r
50. We overestimate our accuracy and our changes of success and ability to predict and explain
controls
deception
overconfidence effect
scatterplot