Unit 1 Part B Vocabulary Flashcards Preview

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Flashcards in Unit 1 Part B Vocabulary Deck (30):
0

Tendency to believe after learning an outcome that one would have foreseen it. (I knew it all along phenomenon)

Hind sight bias

1

Thinking that does not blindly accept arguments and conclusions rather it examines assumptions assesses the source discerns hidden values evaluates evidence and assesses conclusions.

Critical thinking

2

Explanation using an integrated set of principles that organizes observations and predict behaviors or events

Theory

3

A testable prediction often implied by theory.

Hypothesis

4

A carefully worded statement of the exact procedures (operations) used in a research study. for example human intelligence may be operationally defined as what an intelligence test measures

Operational definition

5

Repeating the essence of a research study usually with different participants in different situations to see whether the basic finding extends to other participants and circumstances

Replication

6

A descriptive technique in which an individual or group is studied in depth in the hope of revealing universal principles

Case study

7

Technique for searching the self-reported attitudes or behaviors of a particular group usually by questioning a representative, random sample of the group

Survey

8

All those in a group being studied from which samples may be drawn

Population

9

A sample that fairly represents a population because member has an equal chance of inclusion

Random sample

10

Observing and recording behavior in naturally occurring situations without trying to manipulate and control the situation

Naturalistic observation

11

Measure of the extent to which two variables change together and thus of how well either variable predicts the other

Correlation

12

A statistical index of the relationship between two variables

Correlation coefficient

13

A graphed cluster of dots each of which represents the values of two variables.

Scatter plot

14

The perception of a relationship where none exists

Illusory correlation

15

A research method in which an investigator manipulates one or more factors to observe the effect on some behavior or mental process

Experiment

16

Assignment participants to experimental and control groups by chance, thus minimizing pre-existing differences between the different groups

Random assignment

17

An experimental procedure in which both the research participants and the research staff are ignorant about whether the research participants have received the treatment or a placebo

Double-blind procedure

18

Experimental results caused by expectations alone any effect on behavior caused by the administration of an inert substance or condition which the recipient assumes in an active agent

Placebo effect

19

Experiment the group exposed to the treatment that is to one version of the independent variable

Experimental group

20

In an experiment the group not exposed to the treatment contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment

Control group

21

Experimental factor that is manipulated the variable whose effect is being studied

Independent variable

22

A factor other than the independent variable that might produce an effect in an experiment

Confounding variable

23

The outcome factor, the variable that may change in response to manipulations of the independent variable

Dependant variable

24

The most frequently occurring score in a distribution

Mode

25

The arithmetic average of a distribution obtained by adding the scores and then dividing by the number of scores

Mean

26

The middle score in a distribution have to scores are above it in half are below it

Median

27

Difference between the highest and lowest scores in a distribution

Range

28

A symmetrical bell shaped curve that describes the distribution of many types of data

Normal curve

29

A statistical statement of how likely it is that an obtained result occurred by chance

Statistical significance