• Shuffle
Toggle On
Toggle Off
• Alphabetize
Toggle On
Toggle Off
• Front First
Toggle On
Toggle Off
• Both Sides
Toggle On
Toggle Off
Toggle On
Toggle Off
Front

### How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

Play button

Play button

Progress

1/39

Click to flip

### 39 Cards in this Set

• Front
• Back
 STATISTICS P.2 1. SCIENCE OF COLLECTING AND ORGANIZING AND INTERPRETING DATA 2. DATA THAT SUMMARIZE SOMETHING POPULATION P.3 WHAT IS THE COMPLETE SET OF PEOPLE OR THINGS BEING STUDIED POPULATION PARAMETERS P3 THE SPECIFIC CHARACTERISTICS OF THE POPULATION EX. ALL PEOPLE OVER SIX FT TALL SAMPLE P3 A SMALL CROSS SECTION OF THE PEOPLE OR THINGS THAT FIT THE PARAMETER RAW DATA P4 ACTUAL MEASUREMENTS OR OBSERVATIONS OF THE SAMPLE SAMPLE STATISTICS P4 CHARACTERISTICS OF THE SAMPLE FOUND BY CONSOLIDATING THE RAW DATA MARGIN OF ERROR P5 THE ERROR IS THE AMOUNT OF PEOPLE OR THINGS THAT WOULD HAPPEN BY ACCIDENT + OR - A % BASIC STEPS IN A STAT STUDY P7 1. STATE THE GOAL PRECISELY-DETERMINE THE POP 2. DRAW FROM THE POPULATION A 3. SAMPLE-WITH RAW DATA AND SUMMARIZE, THEN 4. SAMPLE STATISTICS- FROM THE POP PARAMETERS, AND FINALLY 5. DRAW CONCLUSIONS PURPOSE OF STAT P8 TO MAKE EDUCATED DECISIONS SALK STUDY-POLIO P9 EXP GROUP-2ND GRADERS IN US CONTROL-1ST AND 3RD GRADERS CENSUS P11 A COLLECTION OF EVERY MEMBER OF A POPULATION REPRESENTATIVE SAMPLE P12 CONTAINS AS MANY SIMILARITIES AS POSSIBLE RANDOM SAMPLE P12 KEEPS THE HUMAN ELEMENT OUT OF THE CHOICE OF MEMBERS BIAS P12 BIAS TENDS TO FAVOR CERTAIN RESULTS SIMPLE RANDOM SAMPLE P13 EVERY THING HAS AN EQUAL CHANCE OF BEING CHOSEN SYSTEMATIC SAMPLING P14 TEST EVERY 50TH OR SO TO REMAIN RANDOM CONVENIENCE SAMPLE P15 CHOOSE A GROUP EG. THE STAT CLASS AND ASK A QUESTION (LEFT HANDED) CLUSTER SAMPLE P15 ALL MEMBERS OF A RANDOMLY SELECTED GROUP IS A CLUSTER CATEGORICAL N YES OR NO QUANTITATIVE HAS TO DO WITH A # QUALITATIVE HAS TO DO WITH A SPECIFIC # INTERVAL N THE RANGE INCLUDING THE MARGIN OF ERROR ¯a=mean number=25 N a=age same as front STRATIFIED SAMPLE P16 SAMPLES FROM EACH STRATUM STRATA SAMPLE FROM A LARGER GROUP, BROKEN INTO SUB GROUPS ARE STRATA SUBJECTS OF A STUDY P21 SUBJECTS ARE ANYTHING BUT PEOPLE... PEOPLE ARE PARTICIPANTS TYPES OF STUDIES N OBSERVATIONAL VS. EXPERIMENTAL CONFOUNDING N NEGLECTING AN IMPORTANT VARIABLE THAT MAKES THE STUDY WORTHLESS PLACEBO EFFECT N GIVE PEOPLE A PILL THAT ISN'T MEDICATION AND IT STILL HELPS EXPERIMENTER EFFECT N HAVING THE EXPERIMENTER TX TWO GROUPS DIFFERENTLY SINGLE-BLIND EXP P27 PARTICIPANTS DON'T KNOW WHO HAS THE DRUG BUT THE EXPERIMENTER DOES DOUBLE-BLIND EXP P27 NEITHER THE PARTICIPANT OR EXPERIMENTER KNOW WHO HAS THE DRUG META-ANALYSIS P30 COMPILING A # OF STUDIES TO COMPARE OUTCOMES variable p39 something that can take different values VARIABLES OF INTEREST P39 VARIABLES THAT WOULD EFFECT A STUDY QUANTITATIVE VALUES P48 DISCRETE CONTINUOUS ONLY WHOLE #'S ANY #, INC. FRAC LEVELS OF MEASUREMENT NOMINAL QUALITATIVE ORDINAL(INTERVAL MEANS SOMETHING) QUALITATIVE- NO ORDER NATURAL ORDER MEASUREMENT N INTERVAL QUANTITATIVE RATIO (ABSOLUTE STARTING PT. INTERVAL-DIF HAVE MEANING, BUT RATIOS DON'T RATIO-RATIO HAS MEANING..CAN BE WRITTEN AS A FRACTION EXPERIMENTATION-DATA ETHICS FOR HUMANS 1. INFORMED CONSENT 2. CONFIDENTIALITY (VS. ANONYMITY) 3. INSTITUTIONAL REVIEW BOARD (PROFESSIONAL COMM THAT GUARDS ETHICS)