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Raw Data and Data Recording

Key Data Management Topics

1

Design of Tables

Systematic recording of observations, measurements, or responses.
2

Standard & Decimal Form

Different numerical notations for clarity, especially extreme values.
3

Significant Figures

Reflecting measurement precision and avoiding overstating accuracy.
4

Data Estimation

Making approximate judgments for quick analysis or incomplete data.

Study Checklist

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Review Design Principles

Ensure tables are structured for systematic entry.
✓

Practice Notation Conversion

Convert numbers between decimal and standard form efficiently.

Essential Data Terminology

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Raw Data

Unprocessed, original information collected directly.
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Standard Form

Expresses numbers as a product of a number between 1 and 10 and a power of 10.
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Significant Figures

The number of meaningful digits, reflecting measurement precision.
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Coding

Organizing qualitative or categorical data (e.g., Male = 1, Female = 2).

The Foundation of Analysis

Why this matters

Raw data forms the foundational material for all subsequent data analysis, recording, and presentation. Understanding its structure minimizes recording errors and ensures reliability in research findings.

Notation Clarification

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Why bother with Standard Form if Decimal Form is common numerical notation?
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Standard form is helpful when working with very precise measurements or extreme values (e.g., reaction times measured in milliseconds).

Significant Figures Rule

Non-Zero Digits = Significant Digits
In calculations, results should be rounded appropriately based on the least precise measurement to avoid overstating accuracy.

Best Practice for Collection

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Immediate Recording: Data should be recorded as soon as possible to prevent memory errors. Entries should be checked for accuracy and completeness during or immediately after collection.

Benefits vs. Challenges of Raw Data Tables

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Benefits: Systematic recording They help researchers avoid losing data and minimize recording errors by providing a systematic way to write down observations as they happen.
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Challenge: Anonymity and Coding Participant identifying data should be coded or anonymized to maintain confidentiality while preserving traceability.

Coded Data Example

ID Condition Time (s)
P01 A 1.25
P02 B 0.98
P03 A 1.33
P04 B 1.01

Structured Data Collection Log

Rows may represent individual participants, trials, or time intervals, while columns represent variables or measurements.

P ID Trial Time (s) Error Code Sess Notes
001 1 4.5 0 M1 A Ok
001 2 3.8 1 M1 A Fail
002 1 5.1 0 F2 B Ok
002 2 4.9 0 F2 B Ok
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Raw Data and Recording Tables
Term
Raw Data

What is raw data?

Answer
Definition

Unprocessed, original information collected during a study or experiment.

Term
Importance of Recording Tables

Why are raw data recording tables important?

Answer
Reason

They provide a systematic way to record observations, preventing data loss and errors.

Term
Layout of Recording Table

What should the layout of a raw data recording table include?

Answer
Details

Rows for participants or trials and columns for variables or measurements.

Term
Handling Qualitative Data

How is qualitative data handled in raw data tables?

Answer
Method

Through coding, e.g., Male = 1, Female = 2.

Term
Standard Form

What is standard form in data recording?

Answer
Definition

A way to write numbers as a product of a number between 1 and 10 and a power of 10, e.g., 4.5 × 10⁻³.

Term
Significant Figures

How many significant figures does the number 0.00450 have?

Answer
Answer

Three significant figures.

Term
Timely Recording

Why should data be recorded immediately during collection?

Answer
Reason

To avoid memory errors and ensure accuracy.

Term
Decimal vs Standard Form

What is the difference between decimal form and standard form?

Answer
Difference

Decimal form is ordinary notation (e.g., 0.0045), standard form uses powers of ten (e.g., 4.5 × 10⁻³).

Term
Estimations

When making estimations from data, what must researchers avoid?

Answer
Advice

False precision by clearly indicating when data are estimated.

Term
Significant Figures in Calculations

How do significant figures affect calculations?

Answer
Effect

Results should be rounded based on the least precise measurement to reflect true accuracy.

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📊 Raw Data and Data Recording Quiz

1. What is raw data?

Raw data is the initial, unaltered data collected during research.

2. Which of the following is NOT important in the design of a raw data recording table?

Tables must be organized to avoid confusion, not randomized.

3. How is the number 0.00780 correctly expressed in standard form?

Move decimal 3 places right; the coefficient is between 1 and 10.

4. Which number has four significant figures?

Trailing zeros after decimal are significant.

5. Why should data be recorded immediately during collection?

Immediate recording preserves data integrity.

6. Estimation from data is useful when:

Estimation helps in preliminary analysis but shouldn’t replace accuracy entirely.

📊 Results

  • Notes and Quiz
  • Psychology
  • A Level
  • Research Methods
  • OCR